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<!-- Created: Wed Jun 24 15:31:49 UTC 2026 -->
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    <loc xlink:type="locator" xlink:label="ck0000909466_doc_Invesco_New_Jersey_Municipal_FundMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_doc_Invesco_New_Jersey_Municipal_FundMember"/>
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    <loc xlink:type="locator" xlink:label="ck0000909466_doc_Invesco_Pennsylvania_Municipal_FundMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_doc_Invesco_Pennsylvania_Municipal_FundMember"/>
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    <loc xlink:type="locator" xlink:label="ck0000909466_doc_Invesco_Rochester_AMTFree_New_York_Municipal_FundMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_doc_Invesco_Rochester_AMTFree_New_York_Municipal_FundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_doc_Invesco_Rochester_AMTFree_New_York_Municipal_FundMember_lbl" xml:lang="en-US">Invesco Rochester AMT-Free New York Municipal Fund</label>
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    <loc xlink:type="locator" xlink:label="ck0000909466_doc_Invesco_Rochester_Municipal_Opportunities_FundMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_doc_Invesco_Rochester_Municipal_Opportunities_FundMember"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064640Member_lbl" xml:lang="en-US">Invesco AMT-Free Municipal Income Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000064640Member" xlink:to="ck0000909466_S000064640Member_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064641Member_lbl" xml:lang="en-US">Invesco California Municipal Fund</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000027866Member_lbl" xml:lang="en-US">INVESCO HIGH YIELD MUNICIPAL FUND</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000027866Member" xlink:to="ck0000909466_S000027866Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_S000027868Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_S000027868Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000027868Member_lbl" xml:lang="en-US">INVESCO INTERMEDIATE TERM MUNICIPAL INCOME FUND</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000027868Member" xlink:to="ck0000909466_S000027868Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_S000064642Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_S000064642Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064642Member_lbl" xml:lang="en-US">Invesco Limited Term California Municipal Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000064642Member" xlink:to="ck0000909466_S000064642Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_S000000172Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_S000000172Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000000172Member_lbl" xml:lang="en-US">Invesco Limited Term Municipal Income Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000000172Member" xlink:to="ck0000909466_S000000172Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_S000027869Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_S000027869Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000027869Member_lbl" xml:lang="en-US">INVESCO MUNICIPAL INCOME FUND</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000027869Member" xlink:to="ck0000909466_S000027869Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_S000064639Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_S000064639Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064639Member_lbl" xml:lang="en-US">Invesco New Jersey Municipal Fund</label>
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    <loc xlink:type="locator" xlink:label="ck0000909466_S000064637Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_S000064637Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064637Member_lbl" xml:lang="en-US">Invesco Pennsylvania Municipal Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000064637Member" xlink:to="ck0000909466_S000064637Member_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064643Member_lbl" xml:lang="en-US">Invesco Rochester AMT-Free New York Municipal Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000064643Member" xlink:to="ck0000909466_S000064643Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_S000064636Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_S000064636Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064636Member_lbl" xml:lang="en-US">Invesco Rochester Limited Term New York Municipal Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000064636Member" xlink:to="ck0000909466_S000064636Member_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_S000064638Member" xlink:to="ck0000909466_S000064638Member_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_S000064635Member_lbl" xml:lang="en-US">Invesco Rochester New York Municipals Fund</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209286Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209286Member" xlink:to="ck0000909466_C000209286Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209290Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209290Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209290Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209290Member" xlink:to="ck0000909466_C000209290Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209292Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209292Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209292Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209292Member" xlink:to="ck0000909466_C000209292Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209291Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209291Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209291Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209291Member" xlink:to="ck0000909466_C000209291Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209293Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209293Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209293Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209293Member" xlink:to="ck0000909466_C000209293Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084619Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084619Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084619Member_lbl" xml:lang="en-US">CLASS A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084619Member" xlink:to="ck0000909466_C000084619Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084621Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084621Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084621Member_lbl" xml:lang="en-US">CLASS C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084621Member" xlink:to="ck0000909466_C000084621Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084622Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084622Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084622Member_lbl" xml:lang="en-US">CLASS Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084622Member" xlink:to="ck0000909466_C000084622Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000109478Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000109478Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000109478Member_lbl" xml:lang="en-US">Class R5</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000109478Member" xlink:to="ck0000909466_C000109478Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000188917Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000188917Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000188917Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000188917Member" xlink:to="ck0000909466_C000188917Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084627Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084627Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084627Member_lbl" xml:lang="en-US">CLASS A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084627Member" xlink:to="ck0000909466_C000084627Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084629Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084629Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084629Member_lbl" xml:lang="en-US">CLASS C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084629Member" xlink:to="ck0000909466_C000084629Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084630Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084630Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084630Member_lbl" xml:lang="en-US">CLASS Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084630Member" xlink:to="ck0000909466_C000084630Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000188918Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000188918Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000188918Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000188918Member" xlink:to="ck0000909466_C000188918Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209294Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209294Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209294Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209294Member" xlink:to="ck0000909466_C000209294Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209295Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209295Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209295Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209295Member" xlink:to="ck0000909466_C000209295Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209297Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209297Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209297Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209297Member" xlink:to="ck0000909466_C000209297Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209299Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209299Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209299Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209299Member" xlink:to="ck0000909466_C000209299Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000000395Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000000395Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000000395Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000000395Member" xlink:to="ck0000909466_C000000395Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000000396Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000000396Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000000396Member_lbl" xml:lang="en-US">Class A2</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000000396Member" xlink:to="ck0000909466_C000000396Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000130517Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000130517Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000130517Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000130517Member" xlink:to="ck0000909466_C000130517Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000071234Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000071234Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000071234Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000071234Member" xlink:to="ck0000909466_C000071234Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000023428Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000023428Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000023428Member_lbl" xml:lang="en-US">Class R5</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000023428Member" xlink:to="ck0000909466_C000023428Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000188916Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000188916Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000188916Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000188916Member" xlink:to="ck0000909466_C000188916Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084631Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084631Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084631Member_lbl" xml:lang="en-US">CLASS A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084631Member" xlink:to="ck0000909466_C000084631Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084633Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084633Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084633Member_lbl" xml:lang="en-US">CLASS C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084633Member" xlink:to="ck0000909466_C000084633Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000084634Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000084634Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000084634Member_lbl" xml:lang="en-US">CLASS Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000084634Member" xlink:to="ck0000909466_C000084634Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000125172Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000125172Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000125172Member_lbl" xml:lang="en-US">Investor Class</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000125172Member" xlink:to="ck0000909466_C000125172Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000188919Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000188919Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000188919Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000188919Member" xlink:to="ck0000909466_C000188919Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209284Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209284Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209284Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209284Member" xlink:to="ck0000909466_C000209284Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209282Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209282Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209282Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209282Member" xlink:to="ck0000909466_C000209282Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209283Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209283Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209283Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209283Member" xlink:to="ck0000909466_C000209283Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209285Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209285Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209285Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209285Member" xlink:to="ck0000909466_C000209285Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209275Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209275Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209275Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209275Member" xlink:to="ck0000909466_C000209275Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209267Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209267Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209267Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209267Member" xlink:to="ck0000909466_C000209267Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209269Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209269Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209269Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209269Member" xlink:to="ck0000909466_C000209269Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209274Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209274Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209274Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209274Member" xlink:to="ck0000909466_C000209274Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209301Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209301Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209301Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209301Member" xlink:to="ck0000909466_C000209301Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209303Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209303Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209303Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209303Member" xlink:to="ck0000909466_C000209303Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209306Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209306Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209306Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209306Member" xlink:to="ck0000909466_C000209306Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209305Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209305Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209305Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209305Member" xlink:to="ck0000909466_C000209305Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209261Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209261Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_C000209261Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209261Member" xlink:to="ck0000909466_C000209261Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209262Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209262Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209262Member" xlink:to="ck0000909466_C000209262Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209265Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209265Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209265Member" xlink:to="ck0000909466_C000209265Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209263Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209263Member"/>
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    <loc xlink:type="locator" xlink:label="ck0000909466_C000209278Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209278Member"/>
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    <loc xlink:type="locator" xlink:label="ck0000909466_C000209277Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209277Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209277Member" xlink:to="ck0000909466_C000209277Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209279Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209279Member"/>
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    <loc xlink:type="locator" xlink:label="ck0000909466_C000209280Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209280Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209280Member" xlink:to="ck0000909466_C000209280Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209281Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209281Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209281Member" xlink:to="ck0000909466_C000209281Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209259Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209259Member"/>
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    <loc xlink:type="locator" xlink:label="ck0000909466_C000209257Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209257Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209257Member" xlink:to="ck0000909466_C000209257Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209255Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209255Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209255Member" xlink:to="ck0000909466_C000209255Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_C000209254Member" xlink:href="ck0000909466-20260625.xsd#ck0000909466_C000209254Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_C000209254Member" xlink:to="ck0000909466_C000209254Member_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_MarketRiskMember_lbl" xml:lang="en-US">Market Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_MarketRiskMember" xlink:to="ck0000909466_MarketRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_DebtSecuritiesRiskMember_lbl" xml:lang="en-US">Debt Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_DebtSecuritiesRiskMember" xlink:to="ck0000909466_DebtSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_MunicipalSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_MunicipalSecuritiesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_MunicipalSecuritiesRiskMember_lbl" xml:lang="en-US">Municipal Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_MunicipalSecuritiesRiskMember" xlink:to="ck0000909466_MunicipalSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_NewYorkMunicipalSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_NewYorkMunicipalSecuritiesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_NewYorkMunicipalSecuritiesRiskMember_lbl" xml:lang="en-US">New York Municipal Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_NewYorkMunicipalSecuritiesRiskMember" xlink:to="ck0000909466_NewYorkMunicipalSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_PennsylvaniaMunicipalSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_PennsylvaniaMunicipalSecuritiesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_PennsylvaniaMunicipalSecuritiesRiskMember_lbl" xml:lang="en-US">Pennsylvania Municipal Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_PennsylvaniaMunicipalSecuritiesRiskMember" xlink:to="ck0000909466_PennsylvaniaMunicipalSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_NewJerseyMunicipalSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_NewJerseyMunicipalSecuritiesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_NewJerseyMunicipalSecuritiesRiskMember_lbl" xml:lang="en-US">New Jersey Municipal Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_NewJerseyMunicipalSecuritiesRiskMember" xlink:to="ck0000909466_NewJerseyMunicipalSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_CaliforniaMunicipalSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_CaliforniaMunicipalSecuritiesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_CaliforniaMunicipalSecuritiesRiskMember_lbl" xml:lang="en-US">California Municipal Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_CaliforniaMunicipalSecuritiesRiskMember" xlink:to="ck0000909466_CaliforniaMunicipalSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_MunicipalIssuerFocusRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_MunicipalIssuerFocusRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_MunicipalIssuerFocusRiskMember_lbl" xml:lang="en-US">Municipal Issuer Focus Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_MunicipalIssuerFocusRiskMember" xlink:to="ck0000909466_MunicipalIssuerFocusRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_InvestingInUSTerritoriesCommonwealthsAndPossessionsRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_InvestingInUSTerritoriesCommonwealthsAndPossessionsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_InvestingInUSTerritoriesCommonwealthsAndPossessionsRiskMember_lbl" xml:lang="en-US">Investing in U.S. Territories, Commonwealths and Possessions Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_InvestingInUSTerritoriesCommonwealthsAndPossessionsRiskMember" xlink:to="ck0000909466_InvestingInUSTerritoriesCommonwealthsAndPossessionsRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_ShorterTermSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_ShorterTermSecuritiesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_ShorterTermSecuritiesRiskMember_lbl" xml:lang="en-US">Shorter-Term Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_ShorterTermSecuritiesRiskMember" xlink:to="ck0000909466_ShorterTermSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_TobaccoRelatedBondsRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_TobaccoRelatedBondsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_TobaccoRelatedBondsRiskMember_lbl" xml:lang="en-US">Tobacco Related Bonds Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_TobaccoRelatedBondsRiskMember" xlink:to="ck0000909466_TobaccoRelatedBondsRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_LandSecuredOrDirtBondsRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_LandSecuredOrDirtBondsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_LandSecuredOrDirtBondsRiskMember_lbl" xml:lang="en-US">Land-Secured or &#8220;Dirt&#8221; Bonds Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_LandSecuredOrDirtBondsRiskMember" xlink:to="ck0000909466_LandSecuredOrDirtBondsRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_MunicipalLeaseObligationsRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_MunicipalLeaseObligationsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_MunicipalLeaseObligationsRiskMember_lbl" xml:lang="en-US">Municipal Lease Obligations Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_MunicipalLeaseObligationsRiskMember" xlink:to="ck0000909466_MunicipalLeaseObligationsRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_MoneyMarketFundRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_MoneyMarketFundRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_MoneyMarketFundRiskMember_lbl" xml:lang="en-US">Money Market Fund Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_MoneyMarketFundRiskMember" xlink:to="ck0000909466_MoneyMarketFundRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_TaxExemptCommercialPaperRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_TaxExemptCommercialPaperRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_TaxExemptCommercialPaperRiskMember_lbl" xml:lang="en-US">Tax-Exempt Commercial Paper Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_TaxExemptCommercialPaperRiskMember" xlink:to="ck0000909466_TaxExemptCommercialPaperRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_UnratedSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_UnratedSecuritiesRiskMember"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_UnratedSecuritiesRiskMember" xlink:to="ck0000909466_UnratedSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_MediumAndLowerGradeMunicipalSecuritiesRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_MediumAndLowerGradeMunicipalSecuritiesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_MediumAndLowerGradeMunicipalSecuritiesRiskMember_lbl" xml:lang="en-US">Medium- and Lower-Grade Municipal Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_MediumAndLowerGradeMunicipalSecuritiesRiskMember" xlink:to="ck0000909466_MediumAndLowerGradeMunicipalSecuritiesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_HighYieldDebtSecuritiesJunkBondRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_HighYieldDebtSecuritiesJunkBondRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_HighYieldDebtSecuritiesJunkBondRiskMember_lbl" xml:lang="en-US">High Yield Debt Securities (Junk Bond) Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_HighYieldDebtSecuritiesJunkBondRiskMember" xlink:to="ck0000909466_HighYieldDebtSecuritiesJunkBondRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_InverseFloatingRateInterestsRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_InverseFloatingRateInterestsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_InverseFloatingRateInterestsRiskMember_lbl" xml:lang="en-US">Inverse Floating Rate Interests Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_InverseFloatingRateInterestsRiskMember" xlink:to="ck0000909466_InverseFloatingRateInterestsRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_VariableRateDemandNotesRiskMember_lbl" xml:lang="en-US">Variable-Rate Demand Notes Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_VariableRateDemandNotesRiskMember" xlink:to="ck0000909466_VariableRateDemandNotesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_WhenIssuedDelayedDeliveryAndForwardCommitmentRisksMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_WhenIssuedDelayedDeliveryAndForwardCommitmentRisksMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_WhenIssuedDelayedDeliveryAndForwardCommitmentRisksMember_lbl" xml:lang="en-US">When-Issued, Delayed Delivery and Forward Commitment Risks [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_WhenIssuedDelayedDeliveryAndForwardCommitmentRisksMember" xlink:to="ck0000909466_WhenIssuedDelayedDeliveryAndForwardCommitmentRisksMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000909466_ChangingFixedIncomeMarketConditionsRiskMember" xlink:href="ck0000909466-20260625.xsd#ck0000909466_ChangingFixedIncomeMarketConditionsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000909466_ChangingFixedIncomeMarketConditionsRiskMember_lbl" xml:lang="en-US">Changing Fixed Income Market Conditions Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000909466_ChangingFixedIncomeMarketConditionsRiskMember" xlink:to="ck0000909466_ChangingFixedIncomeMarketConditionsRiskMember_lbl"/>
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