California Business And Professions Code Section 6012.5

Notwithstanding any other provision of law, beginning July 1, 1990, and every 10 years thereafter, the board shall adjust the counties included in the State Bar Districts as they existed on June 30, 1990, and shall provide for the election of attorney members of the board from those districts. The primary consideration to be employed when adjusting the counties included in the State Bar Districts shall be the development of an equitable distribution of attorney members to governors in each district, except for the district containing rural counties such as those contained in State Bar District No. 1 as it existed on June 30, 1990.