<SEC-DOCUMENT>0001752724-25-058147.txt : 20250317
<SEC-HEADER>0001752724-25-058147.hdr.sgml : 20250317
<ACCEPTANCE-DATETIME>20250317094753
ACCESSION NUMBER:		0001752724-25-058147
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20241231
FILED AS OF DATE:		20250317
DATE AS OF CHANGE:		20250317
EFFECTIVENESS DATE:		20250317

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK CORE BOND TRUST
		CENTRAL INDEX KEY:			0001160864
		ORGANIZATION NAME:           	
		IRS NUMBER:				522346891
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		N-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-10543
		FILM NUMBER:		25742657

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		888-825-2257

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
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          <relyOnRuleType>Rule 18f-4(f)(17 CFR 270.18f-4(f))</relyOnRuleType>
          <relyOnRuleType>Rule 12d1-1 (17 CFR 270.12d1-1)</relyOnRuleType>
          <relyOnRuleType>Rule 17a-6 (17 CFR 270.17a-6)</relyOnRuleType>
          <relyOnRuleType>Rule 32a-4 (17 CFR 270.32a-4)</relyOnRuleType>
        </relyOnRuleTypes>
        <isExpenseLimitationInPlace>Y</isExpenseLimitationInPlace>
        <isExpenseReducedOrWaived>Y</isExpenseReducedOrWaived>
        <isFeesWaivedRecoupable>N</isFeesWaivedRecoupable>
        <isExpenseWaivedRecoupable>N</isExpenseWaivedRecoupable>
        <investmentAdvisers>
          <investmentAdviser>
            <investmentAdviserName>BlackRock Advisors, LLC</investmentAdviserName>
            <investmentAdviserFileNo>801-47710</investmentAdviserFileNo>
            <investmentAdviserCrdNo>000106614</investmentAdviserCrdNo>
            <investmentAdviserLei>5493001LN9MRM6A35J74</investmentAdviserLei>
            <investmentAdviserStateCountry investmentAdviserState="US-DE" investmentAdviserCountry="US"/>
            <isInvestmentAdviserHired>N</isInvestmentAdviserHired>
          </investmentAdviser>
        </investmentAdvisers>
        <subAdvisers>
          <subAdviser>
            <subAdviserName>BlackRock (Singapore) Limited</subAdviserName>
            <subAdviserFileNo>801-76926</subAdviserFileNo>
            <subAdviserCrdNo>000164594</subAdviserCrdNo>
            <subAdviserLei>549300UZGBQ6FHD2X729</subAdviserLei>
            <isSubAdviserAffiliated>Y</isSubAdviserAffiliated>
            <subAdviserCountry>SG</subAdviserCountry>
            <isSubAdviserHired>N</isSubAdviserHired>
          </subAdviser>
          <subAdviser>
            <subAdviserName>BlackRock International Limited</subAdviserName>
            <subAdviserFileNo>801-51087</subAdviserFileNo>
            <subAdviserCrdNo>000106843</subAdviserCrdNo>
            <subAdviserLei>5493008YUGP5E01IBD70</subAdviserLei>
            <isSubAdviserAffiliated>Y</isSubAdviserAffiliated>
            <subAdviserCountry>GB</subAdviserCountry>
            <isSubAdviserHired>N</isSubAdviserHired>
          </subAdviser>
        </subAdvisers>
        <transferAgents>
          <transferAgent>
            <transferAgentName>Computershare Trust Company, National Association</transferAgentName>
            <transferAgentFileNo>85-11340</transferAgentFileNo>
            <transferAgentLei>2549001YYB62BVMSAO13</transferAgentLei>
            <transferAgentStateCountry transferAgentState="US-MA" transferAgentCountry="US"/>
            <isTransferAgentAffiliated>N</isTransferAgentAffiliated>
            <isTransferAgentSubAgent>N</isTransferAgentSubAgent>
          </transferAgent>
        </transferAgents>
        <isTransferAgentHiredOrTerminated>N</isTransferAgentHiredOrTerminated>
        <pricingServices>
          <pricingService>
            <pricingServiceName>London Stock Exchange Group PLC</pricingServiceName>
            <pricingServiceLei>213800QAUUUP6I445N30</pricingServiceLei>
            <pricingServiceCountry>GB</pricingServiceCountry>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>Bloomberg L.P.</pricingServiceName>
            <pricingServiceLei>549300B56MD0ZC402L06</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>ICE Data Services, Inc.</pricingServiceName>
            <pricingServiceLei>13-3668779</pricingServiceLei>
            <pricingServiceIdNumberDesc>Tax ID</pricingServiceIdNumberDesc>
            <pricingServiceStateCountry pricingServiceState="US-GA" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>S&amp;P Global Inc.</pricingServiceName>
            <pricingServiceLei>Y6X4K52KMJMZE7I7MY94</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
        </pricingServices>
        <isPricingServiceHiredOrTerminated>N</isPricingServiceHiredOrTerminated>
        <custodians>
          <custodian>
            <custodianName>Euroclear Bank</custodianName>
            <custodianLei>549300OZ46BRLZ8Y6F65</custodianLei>
            <custodianCountry>BE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign securities depository - rule 17f-7 (17 CFR 270.17f-7)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Skandinaviska Enskilda Banken AB (Copenhagen, Hovedstaden, DK, Branch)</custodianName>
            <custodianLei>F3JS33DEI6XQ4ZBPTN86</custodianLei>
            <custodianCountry>DK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>First Abu Dhabi Bank MISR S.A.E.</custodianName>
            <custodianLei>549300FRMQH3ELEXQI94</custodianLei>
            <custodianCountry>EG</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Joint Stock Company 'Commercial Bank CitiBank'</custodianName>
            <custodianLei>CHSQDSVI1UI96Y2SW097</custodianLei>
            <custodianCountry>RU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Citibank, National Association (Singapore, SG, Branch)</custodianName>
            <custodianLei>E57ODZWZ7FF32TWEFA76</custodianLei>
            <custodianCountry>SG</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>The Hongkong and Shanghai Banking Corporation Limited (Jung-gu, Seoul, KR, Branch)</custodianName>
            <custodianLei>2HI3YI5320L3RW6NJ957</custodianLei>
            <custodianCountry>KR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Deutsche Bank Aktiengesellschaft (Jakarta, Jakarta, ID, Branch)</custodianName>
            <custodianLei>7LTWFZYICNSX8D621K86</custodianLei>
            <custodianCountry>ID</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Morgan Stanley &amp; Co. LLC</custodianName>
            <custodianLei>9R7GPTSO7KV3UQJZQ078</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Bank Handlowy w Warszawie Spolka Akcyjna</custodianName>
            <custodianLei>XLEZHWWOI4HFQDGL4793</custodianLei>
            <custodianCountry>PL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>BNP Paribas Securities Corp.</custodianName>
            <custodianLei>RCNB6OTYUAMMP879YW96</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Banco de Chile</custodianName>
            <custodianLei>8B4EZFY8IHJC44TT2K84</custodianLei>
            <custodianCountry>CL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>The Hongkong and Shanghai Banking Corporation Limited (Auckland, Auckland, NZ, Branch)</custodianName>
            <custodianLei>2HI3YI5320L3RW6NJ957</custodianLei>
            <custodianCountry>NZ</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>BofA Securities, Inc.</custodianName>
            <custodianLei>549300HN4UKV1E2R3U73</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Barclays Capital Inc.</custodianName>
            <custodianLei>AC28XWWI3WIBK2824319</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Standard Chartered Bank (Hong Kong) Limited</custodianName>
            <custodianLei>X5AV1MBDXGRPX5UGMX13</custodianLei>
            <custodianCountry>HK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Banco Nacional de Mexico, S.A., Integrante del Grupo Financiero Banamex</custodianName>
            <custodianLei>2SFFM4FUIE05S37WFU55</custodianLei>
            <custodianCountry>MX</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Cititrust Colombia S A Sociedad Fiduciaria</custodianName>
            <custodianLei>549300242J3IJCOSGI49</custodianLei>
            <custodianCountry>CO</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Citibank del Peru S.A.</custodianName>
            <custodianLei>MYTK5NHHP1G8TVFGT193</custodianLei>
            <custodianCountry>PE</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Deutsche Bank Aktiengesellschaft (Mumbai, Maharashtra, IN, Branch)</custodianName>
            <custodianLei>7LTWFZYICNSX8D621K86</custodianLei>
            <custodianCountry>IN</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Trust Company Canada</custodianName>
            <custodianLei>549300L71XG2CTQ2V827</custodianLei>
            <custodianCountry>CA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>The Hongkong and Shanghai Banking Corporation Limited (Sydney, NSW, AU, Branch)</custodianName>
            <custodianLei>2HI3YI5320L3RW6NJ957</custodianLei>
            <custodianCountry>AU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>J.P. Morgan Securities LLC</custodianName>
            <custodianLei>ZBUT11V806EZRVTWT807</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Goldman Sachs &amp; Co. LLC</custodianName>
            <custodianLei>FOR8UP27PHTHYVLBNG30</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Deutsche Bank (Malaysia) Berhad</custodianName>
            <custodianLei>529900DLWFR8HK7DR278</custodianLei>
            <custodianCountry>MY</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>FirstRand Bank Limited</custodianName>
            <custodianLei>ZAYQDKTCATIXF9OQY690</custodianLei>
            <custodianCountry>ZA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Citibank, National Association (Sao Paulo, Sao Paulo, BR, Branch)</custodianName>
            <custodianLei>E57ODZWZ7FF32TWEFA76</custodianLei>
            <custodianCountry>BR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Citibank, National Association (Ciudad Autonoma de Buenos Aires, Ciudad Autonoma de Buenos Aires, AR, Branch)</custodianName>
            <custodianLei>579100KKDGKCFFKKF005</custodianLei>
            <custodianCountry>AR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Citibank, Anonim Sirketi</custodianName>
            <custodianLei>CWZ8NZDH5SKY12Q4US31</custodianLei>
            <custodianCountry>TR</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Citigroup Global Markets Inc.</custodianName>
            <custodianLei>MBNUM2BPBDO7JBLYG310</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Bank and Trust Company</custodianName>
            <custodianLei>571474TGEMMWANRLN572</custodianLei>
            <custodianStateCountry custodianState="US-MA" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
          <custodian>
            <custodianName>Clearstream Banking S.A.</custodianName>
            <custodianLei>549300OL514RA0SXJJ44</custodianLei>
            <custodianCountry>LU</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign securities depository - rule 17f-7 (17 CFR 270.17f-7)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Mizuho Bank, Ltd. (Minato ku, Tokyo, JP, Branch)</custodianName>
            <custodianLei>RB0PEZSDGCO3JS6CEU02</custodianLei>
            <custodianCountry>JP</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Bank and Trust Company (Edinburgh, GB, Branch)</custodianName>
            <custodianLei>571474TGEMMWANRLN572</custodianLei>
            <custodianCountry>GB</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Stanbic IBTC Bank Ltd</custodianName>
            <custodianLei>549300NIVXF92ZIOVW61</custodianLei>
            <custodianCountry>NG</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Credit Suisse Securities (USA) LLC</custodianName>
            <custodianLei>1V8Y6QCX6YMJ2OELII46</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Standard Chartered Bank (Thai) Public Company Limited</custodianName>
            <custodianLei>549300O1LQYCQ7G1IM57</custodianLei>
            <custodianCountry>TH</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>The Hongkong and Shanghai Banking Corporation Limited (Colombo, Western, LK, Branch)</custodianName>
            <custodianLei>2HI3YI5320L3RW6NJ957</custodianLei>
            <custodianCountry>LK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Royal Bank of Canada</custodianName>
            <custodianLei>ES7IP3U3RHIGC71XBU11</custodianLei>
            <custodianCountry>CA</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>The Hongkong and Shanghai Banking Corporation Limited</custodianName>
            <custodianLei>2HI3YI5320L3RW6NJ957</custodianLei>
            <custodianCountry>HK</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
          <custodian>
            <custodianName>Bank Hapoalim B.M.</custodianName>
            <custodianLei>B6ARUI4946ST4S7WOU88</custodianLei>
            <custodianCountry>IL</custodianCountry>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>Y</isSubCustodian>
            <custodyType>Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)</custodyType>
          </custodian>
        </custodians>
        <isCustodianHiredOrTerminated>Y</isCustodianHiredOrTerminated>
        <isShareholderServiceHiredTerminated>N</isShareholderServiceHiredTerminated>
        <admins>
          <admin>
            <adminName>State Street Bank and Trust Company</adminName>
            <adminLei>571474TGEMMWANRLN572</adminLei>
            <adminStateCountry adminState="US-MA" adminCountry="US"/>
            <isAdminAffiliated>N</isAdminAffiliated>
            <isAdminSubAdmin>Y</isAdminSubAdmin>
          </admin>
          <admin>
            <adminName>BlackRock Advisors, LLC</adminName>
            <adminLei>5493001LN9MRM6A35J74</adminLei>
            <adminStateCountry adminState="US-DE" adminCountry="US"/>
            <isAdminAffiliated>Y</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
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        </admins>
        <isAdminHiredOrTerminated>N</isAdminHiredOrTerminated>
        <brokerDealers>
          <brokerDealer>
            <brokerDealerName>BlackRock Investments, LLC</brokerDealerName>
            <brokerDealerFileNo>8-48436</brokerDealerFileNo>
            <brokerDealerCrdNo>000038642</brokerDealerCrdNo>
            <brokerDealerLei>54930061FBHCKXL2G714</brokerDealerLei>
            <brokerDealerStateCountry brokerDealerState="US-NY" brokerDealerCountry="US"/>
            <brokerDealerCommission>0.00000000</brokerDealerCommission>
          </brokerDealer>
          <brokerDealer>
            <brokerDealerName>BlackRock Execution Services</brokerDealerName>
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            <brokerDealerCrdNo>000039438</brokerDealerCrdNo>
            <brokerDealerLei>549300HFCRQ0NT5KY652</brokerDealerLei>
            <brokerDealerStateCountry brokerDealerState="US-NY" brokerDealerCountry="US"/>
            <brokerDealerCommission>0.00000000</brokerDealerCommission>
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        </brokerDealers>
        <brokers>
          <broker>
            <brokerName>Morgan Stanley &amp; Co. LLC</brokerName>
            <brokerFileNo>8-15869</brokerFileNo>
            <brokerCrdNo>000008209</brokerCrdNo>
            <brokerLei>9R7GPTSO7KV3UQJZQ078</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>469.07000000</grossCommission>
          </broker>
          <broker>
            <brokerName>BNP Paribas Securities Corp.</brokerName>
            <brokerFileNo>8-32682</brokerFileNo>
            <brokerCrdNo>000015794</brokerCrdNo>
            <brokerLei>RCNB6OTYUAMMP879YW96</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>46636.78000000</grossCommission>
          </broker>
          <broker>
            <brokerName>Mizuho Securities USA LLC</brokerName>
            <brokerFileNo>8-37710</brokerFileNo>
            <brokerCrdNo>000019647</brokerCrdNo>
            <brokerLei>7TK5RJIZDFROZCA6XF66</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>15.50000000</grossCommission>
          </broker>
        </brokers>
        <aggregateCommission>47121.35000000</aggregateCommission>
        <principalTransactions>
          <principalTransaction>
            <principalName>Nomura Securities International, Inc.</principalName>
            <principalFileNo>8-15255</principalFileNo>
            <principalCrdNo>000004297</principalCrdNo>
            <principalLei>OXTKY6Q8X53C9ILVV871</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>508709545.61000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Barclays Capital Inc.</principalName>
            <principalFileNo>8-41342</principalFileNo>
            <principalCrdNo>000019714</principalCrdNo>
            <principalLei>AC28XWWI3WIBK2824319</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>393758708.50000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>BNP Paribas Securities Corp.</principalName>
            <principalFileNo>8-32682</principalFileNo>
            <principalCrdNo>000015794</principalCrdNo>
            <principalLei>RCNB6OTYUAMMP879YW96</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>701294585.53000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>BlackRock Liquidity Funds - T-Fund</principalName>
            <principalFileNo>N/A</principalFileNo>
            <principalCrdNo>N/A</principalCrdNo>
            <principalLei>5493002L9DNZ83RX7V61</principalLei>
            <principalStateCountry principalState="US-DE" principalCountry="US"/>
            <principalTotalPurchaseSale>464852986.72000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Citigroup Global Markets Inc.</principalName>
            <principalFileNo>8-8177</principalFileNo>
            <principalCrdNo>000007059</principalCrdNo>
            <principalLei>MBNUM2BPBDO7JBLYG310</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>228464978.63000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Goldman Sachs &amp; Co. LLC</principalName>
            <principalFileNo>8-129</principalFileNo>
            <principalCrdNo>000000361</principalCrdNo>
            <principalLei>FOR8UP27PHTHYVLBNG30</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>387606146.91000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>TD Securities (USA) LLC</principalName>
            <principalFileNo>8-36747</principalFileNo>
            <principalCrdNo>000018476</principalCrdNo>
            <principalLei>SUVUFHICNZMP2WKHG940</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>214324893.79000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>BofA Securities, Inc.</principalName>
            <principalFileNo>8-69787</principalFileNo>
            <principalCrdNo>000283942</principalCrdNo>
            <principalLei>549300HN4UKV1E2R3U73</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>1121911104.07000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>J.P. Morgan Securities LLC</principalName>
            <principalFileNo>8-35008</principalFileNo>
            <principalCrdNo>000000079</principalCrdNo>
            <principalLei>ZBUT11V806EZRVTWT807</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>473604209.14000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>HSBC Securities (USA) Inc.</principalName>
            <principalFileNo>8-41562</principalFileNo>
            <principalCrdNo>000019585</principalCrdNo>
            <principalLei>CYYGQCGNHMHPSMRL3R97</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>215121308.52000000</principalTotalPurchaseSale>
          </principalTransaction>
        </principalTransactions>
        <principalAggregatePurchase>5966983181.84000000</principalAggregatePurchase>
        <isBrokerageResearchPayment>N</isBrokerageResearchPayment>
        <mnthlyAvgNetAssets>577600774.95461538</mnthlyAvgNetAssets>
      </managementInvestmentQuestion>
    </managementInvestmentQuestionSeriesInfo>
    <closedEndManagementInvestment>
      <securityRelatedItems>
        <securityRelatedItem>
          <description>Common stock</description>
          <securityClassTitle>BlackRock Core Bond Trust</securityClassTitle>
          <commonStocks>
            <commonStock commonStockExchange="XNYS" commonStockTickerSymbol="BHK"/>
          </commonStocks>
        </securityRelatedItem>
      </securityRelatedItems>
      <isRightsOffering>N</isRightsOffering>
      <isSecondaryOffering>N</isSecondaryOffering>
      <isRepurchaseSecurity>N</isRepurchaseSecurity>
      <isDefaultLongTermDebt>N</isDefaultLongTermDebt>
      <isDividendsInArrears>N</isDividendsInArrears>
      <isSecuritiesModified>N</isSecuritiesModified>
      <managementFee>0.77000000</managementFee>
      <netOperatingExpenses>3.67000000</netOperatingExpenses>
      <marketPricePerShare>10.46000000</marketPricePerShare>
      <netAssetValuePerShare>10.30000000</netAssetValuePerShare>
    </closedEndManagementInvestment>
    <attachmentsTab>
      <isIPAReportInternalControl>true</isIPAReportInternalControl>
    </attachmentsTab>
    <signature registrantSignedName="BlackRock Core Bond Trust" signedDate="2025-03-13" signature="Chuck Pulsfort" title="Assistant Treasurer"/>
  </formData>
</edgarSubmission>
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<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>NCEN_811-10543_78015070_1224.htm
<TEXT>

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   <TITLE>tax4.htm - Generated by SEC Publisher for SEC Filing</TITLE>
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<a name="page_1"></a><a name="_bclPageBorder1"></a><DIV STYLE="PADDING-RIGHT: 0%; PADDING-LEFT: 0%">
<p style="margin-bottom:3.15pt;margin-left:0in;margin-right:0pt;margin-top:0in;"><b><font color=black face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:10.0pt;">REPORT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM </font></b></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;text-align:justify;"><b><font color=black face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">&nbsp;</font></b></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><b><font color=black face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">To the Shareholders and the Board of Directors/Trustees of
BlackRock Core Bond Trust, BlackRock Corporate High Yield Fund, Inc., BlackRock
Credit Allocation Income Trust, and BlackRock Floating Rate Income Trust:</font></b></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">&nbsp;</font></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">In
planning and performing our audits of the financial statements </font><font color=black face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">of BlackRock
Core Bond Trust,</font><font face=Calibri,sans-serif lang=EN-US style="font-size:11.0pt;line-height:normal;"> </font><font color=black face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">BlackRock Credit Allocation Income Trust, and BlackRock Floating
Rate Income Trust and our audit of the consolidated financial statements of
BlackRock Corporate High Yield Fund, Inc. </font><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">(collectively, the &#8220;Funds&#8221;) as of and for the
year ended December 31, 2024, in accordance with the standards of the Public
Company Accounting Oversight Board (United States) (PCAOB), we considered the
Funds&#8217; internal control over financial reporting, including controls over
safeguarding securities, as a basis for designing our auditing procedures for
the purpose of expressing our opinion on the financial statements and to comply
with the requirements of Form N-CEN, but not for the purpose of expressing an
opinion on the effectiveness of the Funds&#8217; internal control over financial
reporting. Accordingly, we express no such opinion.</font></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:normal;">&nbsp;</font></p>

<p style="margin-bottom:8.0pt;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">The management of the Funds is responsible for
establishing and maintaining effective internal control over financial
reporting. In fulfilling this responsibility, estimates and judgments by
management are required to assess the expected benefits and related costs of
controls. A company's internal control over financial reporting is a process
designed to provide reasonable assurance regarding the reliability of financial
reporting and the preparation of financial statements for external purposes in
accordance with generally accepted accounting principles. A company's internal
control over financial reporting includes those policies and procedures that
(1) pertain to the maintenance of records that, in reasonable detail,
accurately and fairly reflect the transactions and dispositions of the assets
of the company; (2) provide reasonable assurance that transactions are recorded
as necessary to permit preparation of financial statements in accordance with
generally accepted accounting principles, and that receipts and expenditures of
the company are being made only in accordance with authorizations of management
and directors of the company; and (3) provide reasonable assurance regarding
prevention or timely detection of unauthorized acquisition, use, or disposition
of a company's assets that could have a material effect on the financial
statements. </font></p>

<p style="margin-bottom:8.0pt;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">Because of its inherent limitations, internal control
over financial reporting may not prevent or detect misstatements. Also,
projections of any evaluation of effectiveness to future periods are subject to
the risk that controls may become inadequate because of changes in conditions
or that the degree of compliance with the policies or procedures may
deteriorate. </font></p>

<p style="margin-bottom:8.0pt;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">A deficiency in internal control over financial
reporting exists when the design or operation of a control does not allow
management or employees, in the normal course of performing their assigned
functions, to prevent or detect misstatements on a timely basis. A material
weakness is a deficiency, or a combination of deficiencies, in internal control
over financial reporting, such that there is a reasonable possibility that a
material misstatement of the company&#8217;s annual or interim financial statements
will not be prevented or detected on a timely basis. </font></p>

<p style="margin-bottom:8.0pt;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">Our consideration of the Funds&#8217; internal control over
financial reporting was for the limited purpose described in the first
paragraph and would not necessarily disclose all deficiencies in internal
control that might be material weaknesses under standards established by the
PCAOB. However, we noted no deficiencies in the Funds&#8217; internal control over
financial reporting and its operation, including controls over safeguarding
securities, that we consider to be a material weakness, as defined above, as of
December 31, 2024. </font></p>

<p style="margin-bottom:8.0pt;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">This report is intended solely for the information and
use of management and the Board of Directors/Trustees of the Funds and the
Securities and Exchange Commission and is not intended to be and should not be
used by anyone other than these specified parties. </font></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">/s/ Deloitte &amp; Touche
LLP </font></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">Boston, Massachusetts </font></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><font face="times new roman" lang=EN-US style="font-size:10.0pt;line-height:106%;">February 25, 2025</font></p>

<p style="margin-bottom:0in;margin-left:0in;margin-right:0in;margin-top:0in;"><font face=Calibri,sans-serif lang=EN-US style="font-size:11.0pt;line-height:106%;">&nbsp;</font></p>




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