Upon the death of any member before retirement, the member’s accumulated contributions shall be paid to the member’s beneficiary, if he or she has designated one, and if not, to his or her estate. There shall also be paid to his or her beneficiary or estate an amount equal to one-twelfth of the annual compensation of the office last held by the member as a legislator during the 12 months immediately preceding his or her death or that would have been applicable under Section 9359.1, whichever is greater, multiplied by the number of completed years of service and prior service for which the member is entitled to elect to receive credit. The benefits provided by this section are in addition to any benefits provided by Division 4 (commencing with Section 3201) of the Labor Code.

The benefit accorded by this section is not payable if the deceased member’s spouse survives him or her and is entitled to receive an allowance for life pursuant to this chapter.