-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CxD8+bOwdqSN6TpVd7zxUO/9i9uXL3TAR5BMYpxooHHk758aiST0RtvM+InTQjDK
 WkljDph8ojWm+xlZNsM9aw==

<SEC-DOCUMENT>0001267445-05-000001.txt : 20050307
<SEC-HEADER>0001267445-05-000001.hdr.sgml : 20050307
<ACCEPTANCE-DATETIME>20050307124155
ACCESSION NUMBER:		0001267445-05-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20050228
FILED AS OF DATE:		20050307
DATE AS OF CHANGE:		20050307

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ON ASSIGNMENT INC
		CENTRAL INDEX KEY:			0000890564
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		IRS NUMBER:				954023433
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		26651 WEST AGOURA ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91302
		BUSINESS PHONE:		8188787900

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PAYNE MICHAEL C
		CENTRAL INDEX KEY:			0001267445

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20540
		FILM NUMBER:		05663287

	BUSINESS ADDRESS:	
		STREET 1:		C/O ON ASSIGNMENT INC
		STREET 2:		26651 WEST AGOURA RD
		CITY:			CALABASSAS
		STATE:			CA
		ZIP:			91302
		BUSINESS PHONE:		818 878 3136

	MAIL ADDRESS:	
		STREET 1:		ON ASSIGNMENT INC
		STREET 2:		26651 WEST AGOURA RD
		CITY:			CALABASSAS
		STATE:			CA
		ZIP:			91302
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>paynepowerofattorney.txt
<DESCRIPTION>EDGAR SUPPORTING DOCUMENT
</DOCUMENT>
</SUBMISSION>