2005 California Government Code Sections 87450 Article 4.5. Disqualification of State Officers and Employees

87450.  (a) In addition to the provisions of Article 1 (commencing
with Section 87100), no state administrative official shall make,
participate in making, or use his or her official position to
influence any governmental decision directly relating to any contract
where the state administrative official knows or has reason to know
that any party to the contract is a person with whom the state
administrative official, or any member of his or her immediate
family, has engaged in any business transaction or transactions on
terms not available to members of the public, regarding any
investment or interest in real property, or the rendering of goods or
services totaling in value one thousand dollars ($1,000) or more
within 12 months prior to the time the official action is to be
performed.
   (b) As used in subdivision (a), "state administrative official"
has the same meaning as defined in Section 87400.