31458.3. (a) A member’s ex-spouse who is receiving or is entitled to receive payments from the system, including a portion of the surviving spouse’s allowance, pursuant to an order of the court dividing the community property interest in the member’s retirement allowance may designate one or more beneficiaries who shall receive those payments following the death of the ex-spouse. If there is no designated beneficiary, payment shall be made to the estate of the ex-spouse. Those payments shall terminate upon the death of the member or the surviving spouse.(b) This section applies only to a county of the first class, as defined by Section 28020, as amended by Chapter 1204 of the Statutes of 1971, and Section 28022, as amended by Chapter 43 of the Statutes of 1961.(Amended by Stats. 2008, Ch. 164, Sec. 1. Effective January 1, 2009.)