California Code, Public Contract Code - PCC § 6705

(a) Provide public notice of the availability of work to be subcontracted in accordance with the publication requirements applicable to the competitive bidding process of the department.

(b) Provide a fixed date and time on which the subcontracted work will be awarded in accordance with the procedure established pursuant to this chapter 

(c) Comply with any subcontracting procedures adopted by the department that were included in the department's RFQ.  If the department has adopted procedures to prequalify public works contractors, the construction manager may use the procedures to prequalify subcontractors.