This section shall apply only to counties coming under the provisions of Section 31676.1 prior to January 1, 1953. A member shall receive no credit for prior service subsequent to June 30, 1921, in calculating a retirement allowance pursuant to Section 31676.1 unless, within 90 days after the effective date of this section, he files with the board his written election to pay into the retirement fund six dollars ($6) for each month of prior service subsequent to June 30, 1921, for which he claims credit, and unless he makes such payments as provided in this article.
(Amended by Stats. 1953, Ch. 992.)