Notwithstanding Section 31789.1, the board may increase the sum payable pursuant to Section 31789.1 to one thousand dollars ($1,000).
Upon adoption by any county providing benefits pursuant to this section, of Article 5.5 (commencing with Section 31610) of this chapter, the board of retirement shall, instead, pay those benefits from the Supplemental Retiree Benefits Reserve established pursuant to Section 31618.