California Code, Government Code - GOV § 19815.8

(a) No action or proceeding shall be brought by any person having or claiming to have a cause of action or complaint or ground for issuance of any complaint or legal remedy for wrongs or grievances based on or related to any law administered by the Department of Human Resources unless the action or proceeding is commenced and served within one year after the cause of action or complaint or ground for issuance of any writ or legal remedy first arose. Such a person shall not be compensated for the time subsequent to the date when the cause or ground arose unless the action or proceeding is filed and served within 90 days after the cause or ground arose. Where an appeal is taken from a decision of the department, the cause of action does not arise until the final decision of the department.

(b) Process directed to any officer or employee, or the Department of Human Resources, in any action or proceeding arising under this part, may be served upon the director or chief counsel.