Section 1090 Of Article 4. Prohibitions Applicable To Specified Officers From California Government Code >> Division 4. >> Title 1. >> Chapter 1. >> Article 4.

. (a) Members of the Legislature, state, county, district, judicial district, and city officers or employees shall not be financially interested in any contract made by them in their official capacity, or by any body or board of which they are members. Nor shall state, county, district, judicial district, and city officers or employees be purchasers at any sale or vendors at any purchase made by them in their official capacity.
  (b) An individual shall not aid or abet a Member of the Legislature or a state, county, district, judicial district, or city officer or employee in violating subdivision (a).
  (c) As used in this article, "district" means any agency of the state formed pursuant to general law or special act, for the local performance of governmental or proprietary functions within limited boundaries.