California Code, Insurance Code - INS § 14021

An insurance adjuster within the meaning of this chapter is a person other than a private investigator as defined in Section 7521 of the Business and Professions Code who, for any consideration whatsoever, engages in business or accepts employment to furnish, or agrees to make, or makes, any investigation for the purpose of obtaining, information in the course of adjusting or otherwise participating in the disposal of, any claim under or in connection with a policy of insurance on behalf of an insurer or engages in soliciting insurance adjustment business or aids an insurer in any manner with reference to:

Crime or wrongs done or threatened against the United States of America or any state or territory of the United States of America;  the identity, habits, conduct, business, occupation, honesty, integrity, credibility, knowledge, trustworthiness, efficiency, loyalty, activity, movement, whereabouts, affiliations, associations, transactions, acts, reputation, or character of any person;  the location, disposition, or recovery of lost or stolen property;  the cause or responsibility for fires, libels, losses, accidents, or damage or injury to persons or to property;  or securing evidence to be used before any court, board, officer, or investigating committee.

Notwithstanding any other provision of law, this section is in no way intended to limit the ability of a duly licensed independent insurance adjuster to perform the duties of an independent insurance adjuster for any other entity.