<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:cik0001084380="http://TIAA.com/20260331">
	<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" />
	<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" />
	<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" />
	<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" />
	<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" />
	<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" />
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_S000026500Summary1Member" xlink:label="cik0001084380_S000026500Summary1Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_S000026500Summary1Member" xlink:to="cik0001084380_S000026500Summary1Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_S000026500Summary1Member_lbl" xml:lang="en-US">S 000026500 Summary1 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_S000026500Summary1Member_lbl" xml:lang="en-US">Prospectus Summary</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_S000026500Summary1Member_lbl" xml:lang="en-US">Prospectus Summary</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_S000026500Member" xlink:label="cik0001084380_S000026500Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_S000026500Member" xlink:to="cik0001084380_S000026500Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_S000026500Member_lbl" xml:lang="en-US">S 000026500 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_S000026500Member_lbl" xml:lang="en-US">Nuveen Bond Index Fund</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_S000026500Member_lbl" xml:lang="en-US">Nuveen Bond Index Fund</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_C000079526Member" xlink:label="cik0001084380_C000079526Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_C000079526Member" xlink:to="cik0001084380_C000079526Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000079526Member_lbl" xml:lang="en-US">C 000079526 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_C000079526Member_lbl" xml:lang="en-US">Class A</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_C000079526Member_lbl" xml:lang="en-US">Class A</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_C000162579Member" xlink:label="cik0001084380_C000162579Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_C000162579Member" xlink:to="cik0001084380_C000162579Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000162579Member_lbl" xml:lang="en-US">C 000162579 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_C000162579Member_lbl" xml:lang="en-US">Class I</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_C000162579Member_lbl" xml:lang="en-US">Class I</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_C000079525Member" xlink:label="cik0001084380_C000079525Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_C000079525Member" xlink:to="cik0001084380_C000079525Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000079525Member_lbl" xml:lang="en-US">C 000079525 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_C000079525Member_lbl" xml:lang="en-US">Premier Class</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_C000079525Member_lbl" xml:lang="en-US">Premier Class</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_C000079523Member" xlink:label="cik0001084380_C000079523Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_C000079523Member" xlink:to="cik0001084380_C000079523Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000079523Member_lbl" xml:lang="en-US">C 000079523 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_C000079523Member_lbl" xml:lang="en-US">Class R6</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_C000079523Member_lbl" xml:lang="en-US">Class R6</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_C000079524Member" xlink:label="cik0001084380_C000079524Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_C000079524Member" xlink:to="cik0001084380_C000079524Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000079524Member_lbl" xml:lang="en-US">C 000079524 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_C000079524Member_lbl" xml:lang="en-US">Retirement Class</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_C000079524Member_lbl" xml:lang="en-US">Retirement Class</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_C000202762Member" xlink:label="cik0001084380_C000202762Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_C000202762Member" xlink:to="cik0001084380_C000202762Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000202762Member_lbl" xml:lang="en-US">C 000202762 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_C000202762Member_lbl" xml:lang="en-US">Class W</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_C000202762Member_lbl" xml:lang="en-US">Class W</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_Principalinvestmentrisks2Member" xlink:label="cik0001084380_Principalinvestmentrisks2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_Principalinvestmentrisks2Member" xlink:to="cik0001084380_Principalinvestmentrisks2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_Principalinvestmentrisks2Member_lbl" xml:lang="en-US">cik0001084380_Principalinvestmentrisks2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_Principalinvestmentrisks2Member_lbl" xml:lang="en-US">Principal investment risks</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_Principalinvestmentrisks2Member_lbl" xml:lang="en-US">Principal investment risks</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_InterestRateRiskatypeofMarketRisk2Member" xlink:label="cik0001084380_InterestRateRiskatypeofMarketRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_InterestRateRiskatypeofMarketRisk2Member" xlink:to="cik0001084380_InterestRateRiskatypeofMarketRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_InterestRateRiskatypeofMarketRisk2Member_lbl" xml:lang="en-US">cik0001084380_InterestRateRiskatypeofMarketRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_InterestRateRiskatypeofMarketRisk2Member_lbl" xml:lang="en-US">Interest Rate Risk (a type of Market Risk)</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_InterestRateRiskatypeofMarketRisk2Member_lbl" xml:lang="en-US">Interest Rate Risk (a type of Market Risk)</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_PrepaymentRisk2Member" xlink:label="cik0001084380_PrepaymentRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_PrepaymentRisk2Member" xlink:to="cik0001084380_PrepaymentRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_PrepaymentRisk2Member_lbl" xml:lang="en-US">cik0001084380_PrepaymentRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_PrepaymentRisk2Member_lbl" xml:lang="en-US">Prepayment Risk</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_PrepaymentRisk2Member_lbl" xml:lang="en-US">Prepayment Risk</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_ExtensionRisk2Member" xlink:label="cik0001084380_ExtensionRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_ExtensionRisk2Member" xlink:to="cik0001084380_ExtensionRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_ExtensionRisk2Member_lbl" xml:lang="en-US">cik0001084380_ExtensionRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_ExtensionRisk2Member_lbl" xml:lang="en-US">Extension Risk</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_ExtensionRisk2Member_lbl" xml:lang="en-US">Extension Risk</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_IssuerRiskoftencalledFinancialRisk2Member" xlink:label="cik0001084380_IssuerRiskoftencalledFinancialRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_IssuerRiskoftencalledFinancialRisk2Member" xlink:to="cik0001084380_IssuerRiskoftencalledFinancialRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_IssuerRiskoftencalledFinancialRisk2Member_lbl" xml:lang="en-US">cik0001084380_IssuerRiskoftencalledFinancialRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_IssuerRiskoftencalledFinancialRisk2Member_lbl" xml:lang="en-US">Issuer Risk (often called Financial Risk)</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_IssuerRiskoftencalledFinancialRisk2Member_lbl" xml:lang="en-US">Issuer Risk (often called Financial Risk)</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_CreditRiskatypeofIssuerRisk2Member" xlink:label="cik0001084380_CreditRiskatypeofIssuerRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_CreditRiskatypeofIssuerRisk2Member" xlink:to="cik0001084380_CreditRiskatypeofIssuerRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_CreditRiskatypeofIssuerRisk2Member_lbl" xml:lang="en-US">cik0001084380_CreditRiskatypeofIssuerRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_CreditRiskatypeofIssuerRisk2Member_lbl" xml:lang="en-US">Credit Risk (a type of Issuer Risk)</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_CreditRiskatypeofIssuerRisk2Member_lbl" xml:lang="en-US">Credit Risk (a type of Issuer Risk)</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_CreditSpreadRisk2Member" xlink:label="cik0001084380_CreditSpreadRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_CreditSpreadRisk2Member" xlink:to="cik0001084380_CreditSpreadRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_CreditSpreadRisk2Member_lbl" xml:lang="en-US">cik0001084380_CreditSpreadRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_CreditSpreadRisk2Member_lbl" xml:lang="en-US">Credit Spread Risk</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_CreditSpreadRisk2Member_lbl" xml:lang="en-US">Credit Spread Risk</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_IncomeVolatilityRisk2Member" xlink:label="cik0001084380_IncomeVolatilityRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_IncomeVolatilityRisk2Member" xlink:to="cik0001084380_IncomeVolatilityRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_IncomeVolatilityRisk2Member_lbl" xml:lang="en-US">cik0001084380_IncomeVolatilityRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_IncomeVolatilityRisk2Member_lbl" xml:lang="en-US">Income Volatility Risk</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_IncomeVolatilityRisk2Member_lbl" xml:lang="en-US">Income Volatility Risk</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member" xlink:label="cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member" xlink:to="cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member_lbl" xml:lang="en-US">cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member_lbl" xml:lang="en-US">Market Volatility, Liquidity and Valuation Risk (types of Market Risk)</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_MarketVolatilityLiquidityandValuationRisktypesofMarketRisk2Member_lbl" xml:lang="en-US">Market Volatility, Liquidity and Valuation Risk (types of Market Risk)</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_IndexRisk2Member" xlink:label="cik0001084380_IndexRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_IndexRisk2Member" xlink:to="cik0001084380_IndexRisk2Member_lbl" />
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		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_USGovernmentSecuritiesRisk2Member" xlink:label="cik0001084380_USGovernmentSecuritiesRisk2Member" />
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		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_FloatingandVariableRateSecuritiesRisk2Member" xlink:label="cik0001084380_FloatingandVariableRateSecuritiesRisk2Member" />
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		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_BloombergUSAggregateBondIndex31Member" xlink:label="cik0001084380_BloombergUSAggregateBondIndex31Member" />
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		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000033991Member_lbl" xml:lang="en-US">C 000033991 [Member]</link:label>
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		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000202747Member_lbl" xml:lang="en-US">C 000202747 [Member]</link:label>
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	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_C000202749Member" xlink:label="cik0001084380_C000202749Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_C000202749Member" xlink:to="cik0001084380_C000202749Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_C000202749Member_lbl" xml:lang="en-US">C 000202749 [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_C000202749Member_lbl" xml:lang="en-US">Class W</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_C000202749Member_lbl" xml:lang="en-US">Class W</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_CurrentIncomeRisk2Member" xlink:label="cik0001084380_CurrentIncomeRisk2Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_CurrentIncomeRisk2Member" xlink:to="cik0001084380_CurrentIncomeRisk2Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_CurrentIncomeRisk2Member_lbl" xml:lang="en-US">cik0001084380_CurrentIncomeRisk2Member [Member]</link:label>
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		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_CurrentIncomeRisk2Member_lbl" xml:lang="en-US">Current Income Risk</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member" xlink:label="cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member" xlink:to="cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member_lbl" xml:lang="en-US">cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member [Member]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member_lbl" xml:lang="en-US">iMoneyNet Money Fund Averages&#8482;&#8212;All Government</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="cik0001084380_iMoneyNetMoneyFundAveragesAllGovernment317Member_lbl" xml:lang="en-US">iMoneyNet Money Fund Averages&#8482;&#8212;All Government</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationDocumentAxis" xlink:label="dei_DocumentInformationDocumentAxis" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationDocumentAxis" xlink:to="dei_DocumentInformationDocumentAxis_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentInformationDocumentAxis_lbl" xml:lang="en-US">Document [Axis]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US">Series [Axis]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentDomain" xlink:label="dei_DocumentDomain" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentDomain" xlink:to="dei_DocumentDomain_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentDomain_lbl" xml:lang="en-US">Prospectus</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ProspectusTable" xlink:label="oef_ProspectusTable" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusTable_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_ProspectusTable_lbl" xml:lang="en-US">Prospectus [Table]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskReturnAbstract" xlink:label="oef_RiskReturnAbstract" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskReturnAbstract" xlink:to="oef_RiskReturnAbstract_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskReturnAbstract_lbl" xml:lang="en-US">Risk/Return:</link:label>
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	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_PerformanceMeasureAxis" xlink:label="oef_PerformanceMeasureAxis" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureAxis_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_PerformanceMeasureAxis_lbl" xml:lang="en-US">Performance Measure [Axis]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ClassAxis" xlink:label="oef_ClassAxis" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_ClassAxis" xlink:to="oef_ClassAxis_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_ClassAxis_lbl" xml:lang="en-US">Class [Axis]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_PerformanceMeasureDomain" xlink:label="oef_PerformanceMeasureDomain" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_PerformanceMeasureDomain" xlink:to="oef_PerformanceMeasureDomain_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_PerformanceMeasureDomain_lbl" xml:lang="en-US">Before Taxes</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AfterTaxesOnDistributionsMember" xlink:label="oef_AfterTaxesOnDistributionsMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_AfterTaxesOnDistributionsMember" xlink:to="oef_AfterTaxesOnDistributionsMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_AfterTaxesOnDistributionsMember_lbl" xml:lang="en-US">After Taxes on Distributions</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AfterTaxesOnDistributionsAndSalesMember" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember_lbl" xml:lang="en-US">After Taxes on Distributions and Sales</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskAxis" xlink:label="oef_RiskAxis" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskAxis" xlink:to="oef_RiskAxis_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskAxis_lbl" xml:lang="en-US">Risk [Axis]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AllRisksMember" xlink:label="oef_AllRisksMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_AllRisksMember" xlink:to="oef_AllRisksMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_AllRisksMember_lbl" xml:lang="en-US">All Risks [Member]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskLoseMoneyMember" xlink:label="oef_RiskLoseMoneyMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskLoseMoneyMember" xlink:to="oef_RiskLoseMoneyMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskLoseMoneyMember_lbl" xml:lang="en-US">Risk Lose Money [Member]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskNotInsuredMember" xlink:label="oef_RiskNotInsuredMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskNotInsuredMember" xlink:to="oef_RiskNotInsuredMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskNotInsuredMember_lbl" xml:lang="en-US">Risk Not Insured [Member]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskNondiversifiedStatusMember" xlink:label="oef_RiskNondiversifiedStatusMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskNondiversifiedStatusMember" xlink:to="oef_RiskNondiversifiedStatusMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskNondiversifiedStatusMember_lbl" xml:lang="en-US">Risk Nondiversified Status [Member]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskNotInsuredDepositoryInstitutionMember" xlink:label="oef_RiskNotInsuredDepositoryInstitutionMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskNotInsuredDepositoryInstitutionMember" xlink:to="oef_RiskNotInsuredDepositoryInstitutionMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskNotInsuredDepositoryInstitutionMember_lbl" xml:lang="en-US">Risk Not Insured Depository Institution [Member]</link:label>
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	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskMoneyMarketFundPriceFluctuatesMember" xlink:label="oef_RiskMoneyMarketFundPriceFluctuatesMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskMoneyMarketFundPriceFluctuatesMember" xlink:to="oef_RiskMoneyMarketFundPriceFluctuatesMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskMoneyMarketFundPriceFluctuatesMember_lbl" xml:lang="en-US">Risk Money Market Fund Price Fluctuates [Member]</link:label>
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	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskMoneyMarketFundMayImposeFeesOrSuspendSalesMember" xlink:label="oef_RiskMoneyMarketFundMayImposeFeesOrSuspendSalesMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskMoneyMarketFundMayImposeFeesOrSuspendSalesMember" xlink:to="oef_RiskMoneyMarketFundMayImposeFeesOrSuspendSalesMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskMoneyMarketFundMayImposeFeesOrSuspendSalesMember_lbl" xml:lang="en-US">Risk Money Market Fund May Impose Fees or Suspend Sales [Member]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskMoneyMarketFundSponsorMayNotProvideSupportMember" xlink:label="oef_RiskMoneyMarketFundSponsorMayNotProvideSupportMember" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskMoneyMarketFundSponsorMayNotProvideSupportMember" xlink:to="oef_RiskMoneyMarketFundSponsorMayNotProvideSupportMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskMoneyMarketFundSponsorMayNotProvideSupportMember_lbl" xml:lang="en-US">Risk Money Market Fund Sponsor May Not Provide Support [Member]</link:label>
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	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
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		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="oef_RiskMoneyMarketFundMayNotPreserveDollarMember" xlink:to="oef_RiskMoneyMarketFundMayNotPreserveDollarMember_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="oef_RiskMoneyMarketFundMayNotPreserveDollarMember_lbl" xml:lang="en-US">Risk Money Market Fund May Not Preserve Dollar [Member]</link:label>
	</link:labelLink>
	<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260721.xsd#cik0001084380_CustomRisksTableTextBlock" xlink:label="cik0001084380_CustomRisksTableTextBlock" />
		<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="cik0001084380_CustomRisksTableTextBlock" xlink:to="cik0001084380_CustomRisksTableTextBlock_lbl" />
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="cik0001084380_CustomRisksTableTextBlock_lbl" xml:lang="en-US">Risks [Table Text Block]</link:label>
		<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="cik0001084380_CustomRisksTableTextBlock_lbl" xml:lang="en-US">Risks [Table Text Block]</link:label>
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</link:linkbase>
