Cal. Pub. Res. Code § 30318

This division shall not preclude or prevent a member or employee of the commission who is also an employee of another public agency, a county supervisor or city councilperson, member of the Association of Bay Area Governments, member of the Association of Monterey Bay Area Governments, member of a joint powers authority, member of a local agency formation commission, delegate to the Southern California Association of Governments, or member of the San Diego Association of Governments, and who has in that designated capacity voted or acted upon a particular matter, from voting or otherwise acting upon that matter as a member or employee of the commission. This section shall not exempt a member or employee of the commission from any other provision of this article.