(a) Notwithstanding any other provision of this chapter, a member who elects to purchase retirement service credit under Section 31490.5, 31490.6, 31494.3, 31494.5, 31641.1, 31641.5, 31646, 31652, or 31658, or under the regulations adopted by the board pursuant to Section 31643 or 31644 shall complete that purchase within 120 days after the effective date of his or her retirement.

(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. 2007, Ch. 130, Sec. 128. Effective January 1, 2008.)