Cal. INS § 11750.1

As used in this article, unless a different meaning is manifest, the term:

(a) “Insurer” means every insurer authorized to transact workers’ compensation insurance and employer’s liability insurance incidental thereto and written in connection therewith in this state, including the State Compensation Insurance Fund;

(b) “Rating organization” means any organization which has as its primary object or purpose the collecting of loss and expense statistics and other statistical information and data, the making of pure premium rates and those rating plans authorized by Section 11734 for workers’ compensation insurance and employer’s liability insurance incidental thereto and written in connection therewith and presenting them to the commissioner for approval;

(c) “Insurance” means workers’ compensation insurance and employer’s liability insurance incidental thereto and written in connection therewith;

(d) “Willful” or “willfully” in relation to an act or omission which constitutes a violation of this article means with actual knowledge or belief that such act or omission constitutes such violation and with specific intent to commit such violation.

(e) “Advisory organization” means every person, group or organization, other than an insurer, whether located within or without this state, which prepares policy forms or underwriting rules incidental to or in connection with workers’ compensation insurance and employer’s liability insurance incidental thereto and written in connection therewith or which collects and furnishes to admitted insurers or rating organizations loss statistics or other statistical information and data relating to workers’ compensation insurance and employer’s liability insurance incidental thereto and written in connection therewith and acts in an advisory capacity to such insurers or rating organizations as distinguished from a ratemaking capacity. No duly authorized attorney at law acting in the usual course of his profession shall be deemed to be an advisory organization.

(f) “Employer’s liability insurance incidental thereto and written in connection therewith” means insurance of any liability of employers for injuries to, or death of, employees arising out of, and in the course of, employment when this insurance is incidental to, and written in connection with, the workers’ compensation insurance issued to the same employer and covering the same employer interests.