(2) Who is a member covered by the revised plan, shall contribute to the Fund each year for the first 24 years of service an amount equal to 3% of annual compensation in excess of $6,000 up to the Social Security wage base, and 5% of total compensation in excess of the Social Security wage base. In no event shall total compensation during any calendar year in excess of $6,000 be exempt from contributions.
Effective July 1, 1997, employee pension contributions made pursuant to this section shall not be subject to adjustment or recovery after the expiration of 3 full calendar years from December 31 of the year in which the contributions were made unless no contributions were paid during that calendar year.