Section 20531 Of Article 33. Joint Highway Districts From California Public Contract Code >> Division 2. >> Part 3. >> Chapter 1. >> Article 33.

. All construction work shall be done by contract awarded to the lowest responsible bidder after advertising for bids in a newspaper of general circulation published and circulated within the district which has been designated by the secretary or the board of directors for that purpose. The advertising shall be done by means of two publications of the notice inviting bids the first of which shall be not less than 10 days prior to the time fixed for receiving the bids.