(a) Any interested person may lodge a written complaint of noncompliance with either the CRD or the contract awarding agency. The complaint shall state the name and address of the contractor and shall set forth a description of the alleged noncompliance. Complaints lodged with the awarding agency shall be immediately referred to the Administrator of OCP. No complaint may be lodged after the expiration of one year from the date upon which the alleged noncompliance occurred.

OCP shall cause any written complaint lodged under the provisions of this section on which it intends to take action to be served, either personally or by ordinary first class mail, upon the respondent contractor and the awarding agency within 45 days. At the discretion of the Administrator, the complaint may not contain the name of the complaining party.

(b) OCP shall notify the contract awarding agency of any action pursuant to section 11138 instituted against a contractor of the agency, and permit the agency to become a party to the action, except that the agency shall be fully responsive to any request for information made by OCP in connection with the action.