California Code, Business and Professions Code - BPC § 2230.5

(a) Except as provided in subdivisions (b), (c), and (e), any accusation filed against a licensee pursuant to Section 11503 of the Government Code shall be filed within three years after the board, or a division thereof, discovers the act or omission alleged as the ground for disciplinary action, or within seven years after the act or omission alleged as the ground for disciplinary action occurs, whichever occurs first.

(b) An accusation filed against a licensee pursuant to Section 11503 of the Government Code alleging the procurement of a license by fraud or misrepresentation is not subject to the limitation provided for by subdivision (a).

(c) An accusation filed against a licensee pursuant to Section 11503 of the Government Code alleging unprofessional conduct based on incompetence, gross negligence, or repeated negligent acts of the licensee is not subject to the limitation provided for by subdivision (a) upon proof that the licensee intentionally concealed from discovery his or her incompetence, gross negligence, or repeated negligent acts.

(d) If an alleged act or omission involves a minor, the seven-year limitations period provided for by subdivision (a) and the 10-year limitations period provided for by subdivision (e) shall be tolled until the minor reaches the age of majority.

(e) An accusation filed against a licensee pursuant to Section 11503 of the Government Code alleging sexual misconduct shall be filed within three years after the board, or a division thereof, discovers the act or omission alleged as the ground for disciplinary action, or within 10 years after the act or omission alleged as the ground for disciplinary action occurs, whichever occurs first.  This subdivision shall apply to a complaint alleging sexual misconduct received by the board on and after January 1, 2002.

(f) The limitations period provided by subdivision (a) shall be tolled during any period if material evidence necessary for prosecuting or determining whether a disciplinary action would be appropriate is unavailable to the board due to an ongoing criminal investigation.