(a) Nothing in this article shall be construed to authorize any awarding department to discriminate in the awarding of any contract on the basis of ancestry or any characteristic listed or defined in Section 11135 of the Government Code.
(b) Nothing in this article shall be construed to authorize any contractor to discriminate in the solicitation or acceptance of bids for subcontracting, or for materials or equipment, on the basis of ancestry or any characteristic listed or defined in Section 11135 of the Government Code.