For each statewide election, the Governor shall issue a proclamation calling the election. The proclamation shall be issued by the Governor under his or her hand and the Great Seal of the state no later than the 148th day prior to the election and shall state the time of the election and the offices, if any, to be filled. Copies of the proclamation shall be transmitted by the Governor to the boards of supervisors of the counties.
Ca. Elec. Code § 12000