<SEC-DOCUMENT>0001209191-12-048831.txt : 20121009
<SEC-HEADER>0001209191-12-048831.hdr.sgml : 20121008
<ACCEPTANCE-DATETIME>20121009190905
ACCESSION NUMBER:		0001209191-12-048831
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20121008
FILED AS OF DATE:		20121009
DATE AS OF CHANGE:		20121009

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hart Leland
		CENTRAL INDEX KEY:			0001463901

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21413
		FILM NUMBER:		121136228

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK FLOATING RATE INCOME STRATEGIES FUND, INC.
		CENTRAL INDEX KEY:			0001259708
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK FLOATING RATE INCOME STRATEGIES FUND INC
		DATE OF NAME CHANGE:	20061020

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLOATING RATE INCOME STRATEGIES FUND INC
		DATE OF NAME CHANGE:	20030813
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-10-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001259708</issuerCik>
        <issuerName>BLACKROCK FLOATING RATE INCOME STRATEGIES FUND, INC.</issuerName>
        <issuerTradingSymbol>FRA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001463901</rptOwnerCik>
            <rptOwnerName>Hart Leland</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>55 EAST 52ND STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10055</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Portfolio Manager</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-10-08</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
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                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6156</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12740</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-10-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>3871</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12740</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
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    <footnotes>
        <footnote id="F1">Effective as of October 8, 2012, BlackRock Diversified Income Strategies Fund, Inc. (the &quot;Target Fund&quot;) was reorganized into BlackRock Floating Rate Income Strategies Fund, Inc. (the &quot;Acquiring Fund,&quot; and such reorganization, the &quot;Reorganization&quot;). In the Reorganization, common shareholders of the Target Fund received common shares of the Acquiring Fund in an amount equal to the aggregate net asset value of the Target Fund's common shares as determined at the close of business on October 5, 2012, less the costs of the Reorganization (although cash was distributed for any fractional shares). As of October 5, 2012, the Target Fund reported a net asset value per share of $10.8845 and the Acquiring Fund reported a net asset value per share of $15.0289. The conversion ratio for the Target Fund's common shares was 0.72423797. In the Reorganization, Mr. Leland Hart received 6,156 common shares of the Acquiring Fund in exchange for his 8,500 common shares of the Target Fund.</footnote>
        <footnote id="F2">Effective as of October 8, 2012, BlackRock Floating Rate Income Strategies Fund II, Inc. (the &quot;Target Fund&quot;) was reorganized into BlackRock Floating Rate Income Strategies Fund, Inc. (the &quot;Acquiring Fund,&quot; and such reorganization, the &quot;Reorganization&quot;). In the Reorganization, common shareholders of the Target Fund received common shares of the Acquiring Fund in an amount equal to the aggregate net asset value of the Target Fund's common shares as determined at the close of business on October 5, 2012, less the costs of the Reorganization (although cash was distributed for any fractional shares). As of October 5, 2012, the Target Fund reported a net asset value per share of $13.7458 and the Acquiring Fund reported a net asset value per share of $15.0289. The conversion ratio for the Target Fund's common shares was 0.91462449. In the Reorganization, Mr. Leland Hart received 3,871 common shares of the Acquiring Fund in exchange for his 4,233 common shares of the Target Fund.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Noah Gellner as Attorney-in-Fact</signatureName>
        <signatureDate>2012-10-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
