Section 20135 Of Article 3.5. Counties From California Public Contract Code >> Division 2. >> Part 3. >> Chapter 1. >> Article 3.5.

. The plans and specifications adopted by the board for the erection, alteration, construction, or repair of any public building or other public structure shall not be altered or changed in any manner which increases its cost, except by a vote of two-thirds of the members of the board of supervisors.