<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Wed Jun 24 14:50:35 UTC 2026 -->
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    <loc xlink:type="locator" xlink:label="ck0000842790_doc_INVESCO_Government_Money_Market_FundMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_INVESCO_Government_Money_Market_FundMember"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_INVESCO_Government_Money_Market_FundMember" xlink:to="ck0000842790_doc_INVESCO_Government_Money_Market_FundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_doc_INVESCO_High_Yield_FundMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_INVESCO_High_Yield_FundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_doc_INVESCO_High_Yield_FundMember_lbl" xml:lang="en-US">INVESCO High Yield Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_INVESCO_High_Yield_FundMember" xlink:to="ck0000842790_doc_INVESCO_High_Yield_FundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_doc_INVESCO_Income_FundMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_INVESCO_Income_FundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_doc_INVESCO_Income_FundMember_lbl" xml:lang="en-US">INVESCO Income Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_INVESCO_Income_FundMember" xlink:to="ck0000842790_doc_INVESCO_Income_FundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_doc_INVESCO_Real_Estate_FundMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_INVESCO_Real_Estate_FundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_doc_INVESCO_Real_Estate_FundMember_lbl" xml:lang="en-US">INVESCO Real Estate Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_INVESCO_Real_Estate_FundMember" xlink:to="ck0000842790_doc_INVESCO_Real_Estate_FundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_doc_INVESCO_Short_Duration_Inflation_Protected_FundMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_INVESCO_Short_Duration_Inflation_Protected_FundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_doc_INVESCO_Short_Duration_Inflation_Protected_FundMember_lbl" xml:lang="en-US">INVESCO Short Duration Inflation Protected Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_INVESCO_Short_Duration_Inflation_Protected_FundMember" xlink:to="ck0000842790_doc_INVESCO_Short_Duration_Inflation_Protected_FundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_doc_INVESCO_Short_Term_Bond_FundMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_INVESCO_Short_Term_Bond_FundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_doc_INVESCO_Short_Term_Bond_FundMember_lbl" xml:lang="en-US">INVESCO Short Term Bond Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_INVESCO_Short_Term_Bond_FundMember" xlink:to="ck0000842790_doc_INVESCO_Short_Term_Bond_FundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_doc_Invesco_SMA_High_Yield_Bond_FundMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_Invesco_SMA_High_Yield_Bond_FundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_doc_Invesco_SMA_High_Yield_Bond_FundMember_lbl" xml:lang="en-US">Invesco SMA High Yield Bond Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_Invesco_SMA_High_Yield_Bond_FundMember" xlink:to="ck0000842790_doc_Invesco_SMA_High_Yield_Bond_FundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_doc_Invesco_US_Government_Money_PortfolioMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_doc_Invesco_US_Government_Money_PortfolioMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_doc_Invesco_US_Government_Money_PortfolioMember_lbl" xml:lang="en-US">Invesco U.S. Government Money Portfolio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_doc_Invesco_US_Government_Money_PortfolioMember" xlink:to="ck0000842790_doc_Invesco_US_Government_Money_PortfolioMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000027851Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000027851Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000027851Member_lbl" xml:lang="en-US">INVESCO CORPORATE BOND FUND</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000027851Member" xlink:to="ck0000842790_S000027851Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000000253Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000000253Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000000253Member_lbl" xml:lang="en-US">INVESCO Government Money Market Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000000253Member" xlink:to="ck0000842790_S000000253Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000000243Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000000243Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000000243Member_lbl" xml:lang="en-US">INVESCO High Yield Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000000243Member" xlink:to="ck0000842790_S000000243Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000000251Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000000251Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000000251Member_lbl" xml:lang="en-US">INVESCO Income Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000000251Member" xlink:to="ck0000842790_S000000251Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000000255Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000000255Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000000255Member_lbl" xml:lang="en-US">INVESCO Real Estate Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000000255Member" xlink:to="ck0000842790_S000000255Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000000252Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000000252Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000000252Member_lbl" xml:lang="en-US">INVESCO Short Duration Inflation Protected Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000000252Member" xlink:to="ck0000842790_S000000252Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000000256Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000000256Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000000256Member_lbl" xml:lang="en-US">INVESCO Short Term Bond Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000000256Member" xlink:to="ck0000842790_S000000256Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000079750Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000079750Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000079750Member_lbl" xml:lang="en-US">Invesco SMA High Yield Bond Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000079750Member" xlink:to="ck0000842790_S000079750Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_S000064669Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_S000064669Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_S000064669Member_lbl" xml:lang="en-US">Invesco U.S. Government Money Portfolio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_S000064669Member" xlink:to="ck0000842790_S000064669Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000084556Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000084556Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000084556Member_lbl" xml:lang="en-US">CLASS A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000084556Member" xlink:to="ck0000842790_C000084556Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000084553Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000084553Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000084553Member_lbl" xml:lang="en-US">CLASS C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000084553Member" xlink:to="ck0000842790_C000084553Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000095838Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000095838Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000095838Member_lbl" xml:lang="en-US">Class R</label>
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    <loc xlink:type="locator" xlink:label="ck0000842790_C000084554Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000084554Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000084554Member_lbl" xml:lang="en-US">CLASS Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000084554Member" xlink:to="ck0000842790_C000084554Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000084555Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000084555Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000084555Member_lbl" xml:lang="en-US">CLASS R5</label>
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    <loc xlink:type="locator" xlink:label="ck0000842790_C000120680Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000120680Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000120680Member_lbl" xml:lang="en-US">Class R6</label>
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    <loc xlink:type="locator" xlink:label="ck0000842790_C000000611Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000611Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000611Member_lbl" xml:lang="en-US">Invesco Cash Reserve</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000611Member" xlink:to="ck0000842790_C000000611Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000217953Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000217953Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000217953Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000217953Member" xlink:to="ck0000842790_C000217953Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000085152Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000085152Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000085152Member_lbl" xml:lang="en-US">CLASS AX</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000085152Member" xlink:to="ck0000842790_C000085152Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000609Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000609Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000609Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000609Member" xlink:to="ck0000842790_C000000609Member_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000085154Member_lbl" xml:lang="en-US">CLASS CX</label>
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    <loc xlink:type="locator" xlink:label="ck0000842790_C000000610Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000610Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000610Member_lbl" xml:lang="en-US">Class R</label>
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    <loc xlink:type="locator" xlink:label="ck0000842790_C000071214Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000071214Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000071214Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000071214Member" xlink:to="ck0000842790_C000071214Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000023120Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000023120Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000023120Member_lbl" xml:lang="en-US">Investor Class</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000023120Member" xlink:to="ck0000842790_C000023120Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000188950Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000188950Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000188950Member_lbl" xml:lang="en-US">Class R6</label>
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    <loc xlink:type="locator" xlink:label="ck0000842790_C000000586Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000586Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000586Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000586Member" xlink:to="ck0000842790_C000000586Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000588Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000588Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000588Member" xlink:to="ck0000842790_C000000588Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000071210Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000071210Member"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000071210Member" xlink:to="ck0000842790_C000071210Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000589Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000589Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000589Member_lbl" xml:lang="en-US">Investor Class</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000589Member" xlink:to="ck0000842790_C000000589Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000023117Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000023117Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000023117Member_lbl" xml:lang="en-US">CLASS R5</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000023117Member" xlink:to="ck0000842790_C000023117Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000120675Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000120675Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000120675Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000120675Member" xlink:to="ck0000842790_C000120675Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000601Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000601Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000601Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000601Member" xlink:to="ck0000842790_C000000601Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000603Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000603Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000603Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000603Member" xlink:to="ck0000842790_C000000603Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000604Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000604Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000604Member_lbl" xml:lang="en-US">Class R</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000604Member" xlink:to="ck0000842790_C000000604Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000071212Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000071212Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000071212Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000071212Member" xlink:to="ck0000842790_C000071212Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000605Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000605Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000605Member_lbl" xml:lang="en-US">Investor Class</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000605Member" xlink:to="ck0000842790_C000000605Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000029663Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000029663Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000029663Member_lbl" xml:lang="en-US">CLASS R5</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000029663Member" xlink:to="ck0000842790_C000029663Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000188949Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000188949Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000188949Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000188949Member" xlink:to="ck0000842790_C000188949Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000616Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000616Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000616Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000616Member" xlink:to="ck0000842790_C000000616Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000618Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000618Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000618Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000618Member" xlink:to="ck0000842790_C000000618Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000619Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000619Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000619Member_lbl" xml:lang="en-US">Class R</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000619Member" xlink:to="ck0000842790_C000000619Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000071216Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000071216Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000071216Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000071216Member" xlink:to="ck0000842790_C000071216Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000620Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000620Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000620Member_lbl" xml:lang="en-US">Investor Class</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000620Member" xlink:to="ck0000842790_C000000620Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000023123Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000023123Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000023123Member_lbl" xml:lang="en-US">CLASS R5</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000023123Member" xlink:to="ck0000842790_C000023123Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000120676Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000120676Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000120676Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000120676Member" xlink:to="ck0000842790_C000120676Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000607Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000607Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000607Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000607Member" xlink:to="ck0000842790_C000000607Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000606Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000606Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000606Member_lbl" xml:lang="en-US">Class A2</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000606Member" xlink:to="ck0000842790_C000000606Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000071213Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000071213Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000071213Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000071213Member" xlink:to="ck0000842790_C000071213Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000023119Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000023119Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000023119Member_lbl" xml:lang="en-US">CLASS R5</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000023119Member" xlink:to="ck0000842790_C000023119Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000164285Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000164285Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000164285Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000164285Member" xlink:to="ck0000842790_C000164285Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000621Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000621Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000621Member_lbl" xml:lang="en-US">Class A</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000621Member" xlink:to="ck0000842790_C000000621Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000622Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000622Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000622Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000622Member" xlink:to="ck0000842790_C000000622Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000000623Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000000623Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000000623Member_lbl" xml:lang="en-US">Class R</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000000623Member" xlink:to="ck0000842790_C000000623Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000071217Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000071217Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000071217Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000071217Member" xlink:to="ck0000842790_C000071217Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000023124Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000023124Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000023124Member_lbl" xml:lang="en-US">CLASS R5</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000023124Member" xlink:to="ck0000842790_C000023124Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000120677Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000120677Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000120677Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000120677Member" xlink:to="ck0000842790_C000120677Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000241067Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000241067Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000241067Member_lbl" xml:lang="en-US">Invesco SMA High Yield Bond Fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000241067Member" xlink:to="ck0000842790_C000241067Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000209395Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000209395Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000209395Member_lbl" xml:lang="en-US">Invesco Cash Reserve</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000209395Member" xlink:to="ck0000842790_C000209395Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000209399Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000209399Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000209399Member_lbl" xml:lang="en-US">Class C</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000209399Member" xlink:to="ck0000842790_C000209399Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000209396Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000209396Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000209396Member_lbl" xml:lang="en-US">Class R</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000209396Member" xlink:to="ck0000842790_C000209396Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000209397Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000209397Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000209397Member_lbl" xml:lang="en-US">Class Y</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000209397Member" xlink:to="ck0000842790_C000209397Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_C000209398Member" xlink:href="ck0000842790-20260625.xsd#ck0000842790_C000209398Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_C000209398Member_lbl" xml:lang="en-US">Class R6</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_C000209398Member" xlink:to="ck0000842790_C000209398Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_MoneyMarketFundRiskMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_MoneyMarketFundRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_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="ck0000842790_MoneyMarketFundRiskMember" xlink:to="ck0000842790_MoneyMarketFundRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_MarketRiskMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_MarketRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_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="ck0000842790_MarketRiskMember" xlink:to="ck0000842790_MarketRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_IndexRiskMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_IndexRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_IndexRiskMember_lbl" xml:lang="en-US">Index Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_IndexRiskMember" xlink:to="ck0000842790_IndexRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_RepurchaseAgreementsRiskMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_RepurchaseAgreementsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_RepurchaseAgreementsRiskMember_lbl" xml:lang="en-US">Repurchase Agreements Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_RepurchaseAgreementsRiskMember" xlink:to="ck0000842790_RepurchaseAgreementsRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0000842790_YieldRiskMember" xlink:href="ck0000842790-20260625.xsd#ck0000842790_YieldRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_YieldRiskMember_lbl" xml:lang="en-US">Yield Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0000842790_YieldRiskMember" xlink:to="ck0000842790_YieldRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0000842790_FloatingAndVariableRateObligationsRiskMember_lbl" xml:lang="en-US">Floating and Variable Rate Obligations Risk [Member]</label>
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