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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KRYw1qzbbV0kQTmhG0i3O9Y05tRGWhL/MQR1H/2WTmWLxtBuvoRLUGKJHC59iElI
 SMQyeHd9Y06CWbYefTcwmg==

<SEC-DOCUMENT>0001192707-03-000003.txt : 20030616
<SEC-HEADER>0001192707-03-000003.hdr.sgml : 20030616
<ACCEPTANCE-DATETIME>20030616140650
ACCESSION NUMBER:		0001192707-03-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030616
FILED AS OF DATE:		20030616

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:			STONE MICHAEL J
		CENTRAL INDEX KEY:			0001192707
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09463
		FILM NUMBER:		03745205

	BUSINESS ADDRESS:	
		STREET 1:		C/O RLI CORP
		STREET 2:		9025 N LINDBERGH DR
		CITY:			PEORIA
		STATE:			IL
		ZIP:			61615-1431
		BUSINESS PHONE:		6106885540

	MAIL ADDRESS:	
		STREET 1:		C/O RLI CORP
		STREET 2:		9025 N. LINDBERGH DR.
		CITY:			PEORIA
		STATE:			IL
		ZIP:			61615
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001192707d20030616f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-16</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000084246</issuerCik><issuerName>RLI CORP</issuerName>        <issuerTradingSymbol>RLI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001192707</rptOwnerCik><rptOwnerName>STONE MICHAEL J</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>1</isOther><officerTitle></officerTitle><otherText>President RLI Insurance Compan</otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><tr
ansactionDate><value>2003-06-16</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1"/></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>41</value></transactionShares><transactionValue><value>30.08</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>14595.5011</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Trust</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">The securities herein were allocated to my account pursuant to the RLI Corp. Executive Deferred Compensation Agreement.</fo
otnote></footnotes><ownerSignature><signatureName>Jean M. Stephenson</signatureName><signatureDate>2003-06-16</signatureDate></ownerSignature></ownershipDocument>

</XML>
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</SEC-DOCUMENT>
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