Cal. Educ. Code § 35178

A member of the governing board of a school district who has tendered a resignation with a deferred effective date pursuant to Section 5090 shall, until the effective date of the resignation, continue to have the right to exercise all powers of a member of the governing board, except that such member shall not have the right to vote for his or her successor in an action taken by the board to make a provisional appointment pursuant to Section 5091.