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xlink:label="SeniorFloatingRateInterestsAssetTypeCTIMember"/><link:label xlink:type="resource" xlink:label="label_SeniorFloatingRateInterestsAssetTypeCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Senior Floating Rate Interests_AssetType</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeniorFloatingRateInterestsAssetTypeCTIMember" xlink:to="label_SeniorFloatingRateInterestsAssetTypeCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ConvertibleBondsAssetTypeCTIMember" xlink:label="ConvertibleBondsAssetTypeCTIMember"/><link:label xlink:type="resource" xlink:label="label_ConvertibleBondsAssetTypeCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Convertible Bonds_AssetType</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleBondsAssetTypeCTIMember" xlink:to="label_ConvertibleBondsAssetTypeCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_PurchasedOptionsAssetTypeCTIMember" xlink:label="PurchasedOptionsAssetTypeCTIMember"/><link:label xlink:type="resource" xlink:label="label_PurchasedOptionsAssetTypeCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Purchased Options_AssetType</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PurchasedOptionsAssetTypeCTIMember" xlink:to="label_PurchasedOptionsAssetTypeCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ConvertiblePreferredStocksAssetTypeCTIMember" xlink:label="ConvertiblePreferredStocksAssetTypeCTIMember"/><link:label xlink:type="resource" xlink:label="label_ConvertiblePreferredStocksAssetTypeCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Convertible Preferred Stocks_AssetType</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertiblePreferredStocksAssetTypeCTIMember" xlink:to="label_ConvertiblePreferredStocksAssetTypeCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_OtherAssetsandLiabilitiesCTIMember" xlink:label="OtherAssetsandLiabilitiesCTIMember"/><link:label xlink:type="resource" xlink:label="label_OtherAssetsandLiabilitiesCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Assets and Liabilities</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsandLiabilitiesCTIMember" xlink:to="label_OtherAssetsandLiabilitiesCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_OtherCTIMember" xlink:label="OtherCTIMember"/><link:label xlink:type="resource" xlink:label="label_OtherCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCTIMember" xlink:to="label_OtherCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_UnitedStatesCTIMember" xlink:label="UnitedStatesCTIMember"/><link:label xlink:type="resource" xlink:label="label_UnitedStatesCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">United States</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnitedStatesCTIMember" xlink:to="label_UnitedStatesCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_JapanCTIMember" xlink:label="JapanCTIMember"/><link:label xlink:type="resource" xlink:label="label_JapanCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Japan</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JapanCTIMember" xlink:to="label_JapanCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_CanadaCTIMember" xlink:label="CanadaCTIMember"/><link:label xlink:type="resource" xlink:label="label_CanadaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Canada</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadaCTIMember" xlink:to="label_CanadaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_UnitedKingdomCTIMember" xlink:label="UnitedKingdomCTIMember"/><link:label xlink:type="resource" xlink:label="label_UnitedKingdomCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">United Kingdom</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnitedKingdomCTIMember" xlink:to="label_UnitedKingdomCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_CaymanIslandsCTIMember" xlink:label="CaymanIslandsCTIMember"/><link:label xlink:type="resource" xlink:label="label_CaymanIslandsCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Cayman Islands</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CaymanIslandsCTIMember" xlink:to="label_CaymanIslandsCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_MexicoCTIMember" xlink:label="MexicoCTIMember"/><link:label xlink:type="resource" xlink:label="label_MexicoCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mexico</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MexicoCTIMember" xlink:to="label_MexicoCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_NetherlandsCTIMember" xlink:label="NetherlandsCTIMember"/><link:label xlink:type="resource" xlink:label="label_NetherlandsCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Netherlands</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetherlandsCTIMember" xlink:to="label_NetherlandsCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_AustraliaCTIMember" xlink:label="AustraliaCTIMember"/><link:label xlink:type="resource" xlink:label="label_AustraliaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Australia</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AustraliaCTIMember" xlink:to="label_AustraliaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_CzechRepublicCTIMember" xlink:label="CzechRepublicCTIMember"/><link:label xlink:type="resource" xlink:label="label_CzechRepublicCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Czech Republic</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CzechRepublicCTIMember" xlink:to="label_CzechRepublicCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_HungaryCTIMember" xlink:label="HungaryCTIMember"/><link:label xlink:type="resource" xlink:label="label_HungaryCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Hungary</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HungaryCTIMember" xlink:to="label_HungaryCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_SupranationalCTIMember" xlink:label="SupranationalCTIMember"/><link:label xlink:type="resource" xlink:label="label_SupranationalCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Supranational</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SupranationalCTIMember" xlink:to="label_SupranationalCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_LuxembourgCTIMember" xlink:label="LuxembourgCTIMember"/><link:label xlink:type="resource" xlink:label="label_LuxembourgCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Luxembourg</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LuxembourgCTIMember" xlink:to="label_LuxembourgCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_BrazilCTIMember" xlink:label="BrazilCTIMember"/><link:label xlink:type="resource" xlink:label="label_BrazilCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Brazil</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BrazilCTIMember" xlink:to="label_BrazilCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ColombiaCTIMember" xlink:label="ColombiaCTIMember"/><link:label xlink:type="resource" xlink:label="label_ColombiaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Colombia</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ColombiaCTIMember" xlink:to="label_ColombiaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_SouthAfricaCTIMember" xlink:label="SouthAfricaCTIMember"/><link:label xlink:type="resource" xlink:label="label_SouthAfricaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">South Africa</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SouthAfricaCTIMember" xlink:to="label_SouthAfricaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ItalyCTIMember" xlink:label="ItalyCTIMember"/><link:label xlink:type="resource" xlink:label="label_ItalyCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Italy</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ItalyCTIMember" xlink:to="label_ItalyCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_HongKongCTIMember" xlink:label="HongKongCTIMember"/><link:label xlink:type="resource" xlink:label="label_HongKongCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Hong Kong</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HongKongCTIMember" xlink:to="label_HongKongCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_PeruCTIMember" xlink:label="PeruCTIMember"/><link:label xlink:type="resource" xlink:label="label_PeruCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Peru</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeruCTIMember" xlink:to="label_PeruCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_IsraelCTIMember" xlink:label="IsraelCTIMember"/><link:label xlink:type="resource" xlink:label="label_IsraelCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Israel</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IsraelCTIMember" xlink:to="label_IsraelCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ArgentinaCTIMember" xlink:label="ArgentinaCTIMember"/><link:label xlink:type="resource" xlink:label="label_ArgentinaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Argentina</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArgentinaCTIMember" xlink:to="label_ArgentinaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_FranceCTIMember" xlink:label="FranceCTIMember"/><link:label xlink:type="resource" xlink:label="label_FranceCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">France</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FranceCTIMember" xlink:to="label_FranceCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_BelgiumCTIMember" xlink:label="BelgiumCTIMember"/><link:label xlink:type="resource" xlink:label="label_BelgiumCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Belgium</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BelgiumCTIMember" xlink:to="label_BelgiumCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_SpainCTIMember" xlink:label="SpainCTIMember"/><link:label xlink:type="resource" xlink:label="label_SpainCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Spain</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SpainCTIMember" xlink:to="label_SpainCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ChinaCTIMember" xlink:label="ChinaCTIMember"/><link:label xlink:type="resource" xlink:label="label_ChinaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">China</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChinaCTIMember" xlink:to="label_ChinaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_IndiaCTIMember" xlink:label="IndiaCTIMember"/><link:label xlink:type="resource" xlink:label="label_IndiaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">India</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndiaCTIMember" xlink:to="label_IndiaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_IndonesiaCTIMember" xlink:label="IndonesiaCTIMember"/><link:label xlink:type="resource" xlink:label="label_IndonesiaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Indonesia</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndonesiaCTIMember" xlink:to="label_IndonesiaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_SwitzerlandCTIMember" xlink:label="SwitzerlandCTIMember"/><link:label xlink:type="resource" xlink:label="label_SwitzerlandCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Switzerland</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SwitzerlandCTIMember" xlink:to="label_SwitzerlandCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_GermanyCTIMember" xlink:label="GermanyCTIMember"/><link:label xlink:type="resource" xlink:label="label_GermanyCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Germany</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GermanyCTIMember" xlink:to="label_GermanyCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_SwedenCTIMember" xlink:label="SwedenCTIMember"/><link:label xlink:type="resource" xlink:label="label_SwedenCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Sweden</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SwedenCTIMember" xlink:to="label_SwedenCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_SingaporeCTIMember" xlink:label="SingaporeCTIMember"/><link:label xlink:type="resource" xlink:label="label_SingaporeCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Singapore</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SingaporeCTIMember" xlink:to="label_SingaporeCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_DenmarkCTIMember" xlink:label="DenmarkCTIMember"/><link:label xlink:type="resource" xlink:label="label_DenmarkCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Denmark</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DenmarkCTIMember" xlink:to="label_DenmarkCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_FinlandCTIMember" xlink:label="FinlandCTIMember"/><link:label xlink:type="resource" xlink:label="label_FinlandCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finland</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinlandCTIMember" xlink:to="label_FinlandCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_IrelandCTIMember" xlink:label="IrelandCTIMember"/><link:label xlink:type="resource" xlink:label="label_IrelandCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Ireland</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IrelandCTIMember" xlink:to="label_IrelandCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_NorwayCTIMember" xlink:label="NorwayCTIMember"/><link:label xlink:type="resource" xlink:label="label_NorwayCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Norway</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NorwayCTIMember" xlink:to="label_NorwayCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_AustriaCTIMember" xlink:label="AustriaCTIMember"/><link:label xlink:type="resource" xlink:label="label_AustriaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Austria</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AustriaCTIMember" xlink:to="label_AustriaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_PortugalCTIMember" xlink:label="PortugalCTIMember"/><link:label xlink:type="resource" xlink:label="label_PortugalCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Portugal</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PortugalCTIMember" xlink:to="label_PortugalCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_MacaoCTIMember" xlink:label="MacaoCTIMember"/><link:label xlink:type="resource" xlink:label="label_MacaoCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Macao</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MacaoCTIMember" xlink:to="label_MacaoCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_NewYorkCTIMember" xlink:label="NewYorkCTIMember"/><link:label xlink:type="resource" xlink:label="label_NewYorkCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">New York</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NewYorkCTIMember" xlink:to="label_NewYorkCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_FloridaCTIMember" xlink:label="FloridaCTIMember"/><link:label xlink:type="resource" xlink:label="label_FloridaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Florida</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FloridaCTIMember" xlink:to="label_FloridaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_CaliforniaCTIMember" xlink:label="CaliforniaCTIMember"/><link:label xlink:type="resource" xlink:label="label_CaliforniaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">California</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CaliforniaCTIMember" xlink:to="label_CaliforniaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_TexasCTIMember" xlink:label="TexasCTIMember"/><link:label xlink:type="resource" xlink:label="label_TexasCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Texas</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TexasCTIMember" xlink:to="label_TexasCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_AlabamaCTIMember" xlink:label="AlabamaCTIMember"/><link:label xlink:type="resource" xlink:label="label_AlabamaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Alabama</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlabamaCTIMember" xlink:to="label_AlabamaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_PennsylvaniaCTIMember" xlink:label="PennsylvaniaCTIMember"/><link:label xlink:type="resource" xlink:label="label_PennsylvaniaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Pennsylvania</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PennsylvaniaCTIMember" xlink:to="label_PennsylvaniaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_GeorgiaCTIMember" xlink:label="GeorgiaCTIMember"/><link:label xlink:type="resource" xlink:label="label_GeorgiaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Georgia</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeorgiaCTIMember" xlink:to="label_GeorgiaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_UtahCTIMember" xlink:label="UtahCTIMember"/><link:label xlink:type="resource" xlink:label="label_UtahCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Utah</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UtahCTIMember" xlink:to="label_UtahCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_IllinoisCTIMember" xlink:label="IllinoisCTIMember"/><link:label xlink:type="resource" xlink:label="label_IllinoisCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Illinois</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IllinoisCTIMember" xlink:to="label_IllinoisCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_WisconsinCTIMember" xlink:label="WisconsinCTIMember"/><link:label xlink:type="resource" xlink:label="label_WisconsinCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Wisconsin</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WisconsinCTIMember" xlink:to="label_WisconsinCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_OhioCTIMember" xlink:label="OhioCTIMember"/><link:label xlink:type="resource" xlink:label="label_OhioCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Ohio</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OhioCTIMember" xlink:to="label_OhioCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_LouisianaCTIMember" xlink:label="LouisianaCTIMember"/><link:label xlink:type="resource" xlink:label="label_LouisianaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Louisiana</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LouisianaCTIMember" xlink:to="label_LouisianaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ArkansasCTIMember" xlink:label="ArkansasCTIMember"/><link:label xlink:type="resource" xlink:label="label_ArkansasCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Arkansas</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArkansasCTIMember" xlink:to="label_ArkansasCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_PuertoRicoCTIMember" xlink:label="PuertoRicoCTIMember"/><link:label xlink:type="resource" xlink:label="label_PuertoRicoCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Puerto Rico</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PuertoRicoCTIMember" xlink:to="label_PuertoRicoCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ArizonaCTIMember" xlink:label="ArizonaCTIMember"/><link:label xlink:type="resource" xlink:label="label_ArizonaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Arizona</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ArizonaCTIMember" xlink:to="label_ArizonaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_NevadaCTIMember" xlink:label="NevadaCTIMember"/><link:label xlink:type="resource" xlink:label="label_NevadaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Nevada</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NevadaCTIMember" xlink:to="label_NevadaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ConnecticutCTIMember" xlink:label="ConnecticutCTIMember"/><link:label xlink:type="resource" xlink:label="label_ConnecticutCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Connecticut</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConnecticutCTIMember" xlink:to="label_ConnecticutCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_VirginiaCTIMember" xlink:label="VirginiaCTIMember"/><link:label xlink:type="resource" xlink:label="label_VirginiaCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Virginia</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VirginiaCTIMember" xlink:to="label_VirginiaCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_TennesseeCTIMember" xlink:label="TennesseeCTIMember"/><link:label xlink:type="resource" xlink:label="label_TennesseeCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tennessee</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TennesseeCTIMember" xlink:to="label_TennesseeCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_MarylandCTIMember" xlink:label="MarylandCTIMember"/><link:label xlink:type="resource" xlink:label="label_MarylandCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Maryland</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarylandCTIMember" xlink:to="label_MarylandCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TechnologySectorMember" xlink:label="TechnologySectorMember"/><link:label xlink:type="resource" xlink:label="label_TechnologySectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Technology</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TechnologySectorMember" xlink:to="label_TechnologySectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CommunicationsSectorMember" xlink:label="CommunicationsSectorMember"/><link:label xlink:type="resource" xlink:label="label_CommunicationsSectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Communications</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommunicationsSectorMember" xlink:to="label_CommunicationsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_FinancialSectorMember" xlink:label="FinancialSectorMember"/><link:label xlink:type="resource" xlink:label="label_FinancialSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financial</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinancialSectorMember" xlink:to="label_FinancialSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrialSectorMember" xlink:label="IndustrialSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustrialSectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Industrial</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustrialSectorMember" xlink:to="label_IndustrialSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ConsumerNonMinuscyclicalSectorMember" xlink:label="ConsumerNonMinuscyclicalSectorMember"/><link:label xlink:type="resource" xlink:label="label_ConsumerNonMinuscyclicalSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Consumer, Non-cyclical</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsumerNonMinuscyclicalSectorMember" xlink:to="label_ConsumerNonMinuscyclicalSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ConsumerCyclicalSectorMember" xlink:label="ConsumerCyclicalSectorMember"/><link:label xlink:type="resource" xlink:label="label_ConsumerCyclicalSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Consumer, Cyclical</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsumerCyclicalSectorMember" xlink:to="label_ConsumerCyclicalSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_BasicMaterialsSectorMember" xlink:label="BasicMaterialsSectorMember"/><link:label xlink:type="resource" xlink:label="label_BasicMaterialsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Basic Materials</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasicMaterialsSectorMember" xlink:to="label_BasicMaterialsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_MoneyMarketFundsSectorMember" xlink:label="MoneyMarketFundsSectorMember"/><link:label xlink:type="resource" xlink:label="label_MoneyMarketFundsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Money Market Funds</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MoneyMarketFundsSectorMember" xlink:to="label_MoneyMarketFundsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GovernmentSectorMember" xlink:label="GovernmentSectorMember"/><link:label xlink:type="resource" xlink:label="label_GovernmentSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Government</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GovernmentSectorMember" xlink:to="label_GovernmentSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_MortgageSecuritiesSectorMember" xlink:label="MortgageSecuritiesSectorMember"/><link:label xlink:type="resource" xlink:label="label_MortgageSecuritiesSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mortgage Securities</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MortgageSecuritiesSectorMember" xlink:to="label_MortgageSecuritiesSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_UtilitiesSectorMember" xlink:label="UtilitiesSectorMember"/><link:label xlink:type="resource" xlink:label="label_UtilitiesSectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Utilities</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UtilitiesSectorMember" xlink:to="label_UtilitiesSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EnergySectorMember" xlink:label="EnergySectorMember"/><link:label xlink:type="resource" xlink:label="label_EnergySectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Energy</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EnergySectorMember" xlink:to="label_EnergySectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ExchangeMinusTradedFundsSectorMember" xlink:label="ExchangeMinusTradedFundsSectorMember"/><link:label xlink:type="resource" xlink:label="label_ExchangeMinusTradedFundsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exchange-Traded Funds</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExchangeMinusTradedFundsSectorMember" xlink:to="label_ExchangeMinusTradedFundsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_RevenueBondsSectorMember" xlink:label="RevenueBondsSectorMember"/><link:label xlink:type="resource" xlink:label="label_RevenueBondsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Revenue Bonds</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueBondsSectorMember" xlink:to="label_RevenueBondsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_GeneralObligationUnlimitedSectorMember" xlink:label="GeneralObligationUnlimitedSectorMember"/><link:label xlink:type="resource" xlink:label="label_GeneralObligationUnlimitedSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">General Obligation Unlimited</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralObligationUnlimitedSectorMember" xlink:to="label_GeneralObligationUnlimitedSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_InsuredSectorMember" xlink:label="InsuredSectorMember"/><link:label xlink:type="resource" xlink:label="label_InsuredSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Insured</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InsuredSectorMember" xlink:to="label_InsuredSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_ClosedMinusEndFundsSectorMember" xlink:label="ClosedMinusEndFundsSectorMember"/><link:label xlink:type="resource" xlink:label="label_ClosedMinusEndFundsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Closed-End Funds</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClosedMinusEndFundsSectorMember" xlink:to="label_ClosedMinusEndFundsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#principal_FixedIncomeFundsSectorMember" xlink:label="FixedIncomeFundsSectorMember"/><link:label xlink:type="resource" xlink:label="label_FixedIncomeFundsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fixed Income Funds</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" 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