California Code, Public Contract Code - PCC § 19100

(a) Presentation of a claim pursuant to Part 3 (commencing with Section 900) of Division 3.6 of Title 1 of the Government Code is not required to commence a legal action or arbitration proceeding for money or damages on a contract with the state, but any action or proceeding shall be commenced not later than six months after either of the following:

(b) This section shall not apply to a claim that is subject to the provisions of Section 10240.1.