<SEC-DOCUMENT>0001127602-15-003764.txt : 20150202
<SEC-HEADER>0001127602-15-003764.hdr.sgml : 20150202
<ACCEPTANCE-DATETIME>20150202165857
ACCESSION NUMBER:		0001127602-15-003764
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150109
FILED AS OF DATE:		20150202
DATE AS OF CHANGE:		20150202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RLI CORP
		CENTRAL INDEX KEY:			0000084246
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				370889946
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9025 N LINDBERGH DR
		CITY:			PEORIA
		STATE:			IL
		ZIP:			61615
		BUSINESS PHONE:		3096921000

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Diefenthaler Aaron Paul
		CENTRAL INDEX KEY:			0001540227

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09463
		FILM NUMBER:		15567776

	MAIL ADDRESS:	
		STREET 1:		9025 N. LINDBERGH DRIVE
		CITY:			PEORIA
		STATE:			IL
		ZIP:			61615
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>form4a.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2015-01-09</periodOfReport>

    <dateOfOriginalSubmission>2015-01-12</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000084246</issuerCik>
        <issuerName>RLI CORP</issuerName>
        <issuerTradingSymbol>RLI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001540227</rptOwnerCik>
            <rptOwnerName>Diefenthaler Aaron Paul</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9025 N. LINDBERGH DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PEORIA</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>61615</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP, CIO, Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-01-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>47.88</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>897.2187</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Executive Deferred Compensation</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3582.2849</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1118.5878</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Employee Stock Ownership Plan - ESOP</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities herein were allocated to my account pursuant to the RLI Corp. Executive Deferred Compensation Agreement.</footnote>
        <footnote id="F2">Ownership reflects dividend reinvestment</footnote>
        <footnote id="F3">Balance reflects annual company contributions and dividend reinvestment.</footnote>
    </footnotes>

    <remarks>This Form 4A is being filed to reflect the correct share balance of the holder's Employee Stock Ownership Plan (ESOP) holding.  Erroneous dividend information was provided and adjustments were made to the holding in December 2014, which resulted in an inflated balance.  This Form 4A indicates  a reduction in the ESOP holding by 2.099 shares.  The transaction detail reported on the original Form 4 was not effected and this Form 4A reflects the identical  transaction previously reported on January 12, 2015.</remarks>

    <ownerSignature>
        <signatureName>/s/ Aaron Paul Diefenthaler</signatureName>
        <signatureDate>2015-02-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
