California Code, Elections Code - ELEC § 15621

(a) Following completion of the official canvass any voter may, within five calendar days beginning on the 31st day after a statewide election, file with the Secretary of State a written request for a recount of the votes cast for candidates for any statewide office or for or against any measure voted on statewide.  The request filed pursuant to this section shall specify in which county or counties the recount is sought and shall specify on behalf of which candidate, slate of electors, or position on a measure (affirmative or negative) it is filed.

(b) The Secretary of State shall forthwith send by electronic delivery one copy of the request to the elections official of each county in which a recount of the votes is sought, and the elections official shall confirm receipt of the copy in writing by electronic delivery to the Secretary of State.

(c) All the other provisions of this article apply to recounts conducted under this section.