CA Lab Code Section 3701.9

(a)

A certificate of consent to self-insure shall not be issued after January 1, 2013, to any of the following:

(1)

A professional employer organization.

(2)

A leasing employer, as defined in Section 606.5 of the Unemployment Insurance Code.

(3)

A temporary services employer, as defined in Section 606.5 of the Unemployment Insurance Code.

(4)

Any employer, regardless of name or form of organization, which the director determines to be in the business of providing employees to other employers.

(b)

A certificate of consent to self-insure that has been issued to any employer described in subdivision (a) shall be revoked by the director not later than January 1, 2015.