California Code, Government Code - GOV § 31855.9

Upon the death of a member prior to retirement who was a member continuously for not less than 18 months immediately prior to the member's death who is survived by a spouse with whom the member was living at the time of his or her death, the retirement system shall pay to the surviving spouse, in addition to all other payments due, if any, a lump sum supplemental survivorship benefit of two hundred fifty-five dollars ($255), as set forth in Section 31855.8 or 31855.12.  If the member is not survived by a spouse with whom the member was living, the retirement system shall apply a lump sum supplemental survivorship benefit to reimburse the person who paid the funeral expenses of the member in an amount not to exceed two hundred fifty-five dollars ($255).