California Code, Education Code - EDC § 44242.7

(a) Any allegation of an act or omission by the holder of a credential, except for an allegation that involves sexual misconduct with a minor or recurring conduct resulting in a pattern of misconduct, shall be presented to the Committee of Credentials for initial review within four years from the date of the alleged act or omission, or within one year from the date the act or omission should reasonably have been discovered.

(b) The commission shall adopt regulations specifying conduct that is considered recurring conduct that results in a pattern of misconduct as set forth in subdivision (a).