California Code, Government Code - GOV § 21625

Notwithstanding any other provision of this part, upon the member's election to be subject to Section 21460or 21478, the benefits provided by Section 21624, 21626, 21627, 21628, 21629, or 21630, as applicable, shall be payable only to the member's eligible surviving spouse and for his or her lifetime. The benefit shall not cease upon the remarriage of the surviving spouse.