Notwithstanding any other provisions of KRS Chapter 161, the contribution of university faculty members may be reduced by amounts up to two and two hundred fifteen thousandths percent (2.215%) if amounts sufficient to replace the reduction are authorized and contributed to the Teachers' Retirement System by the board of regents of the employing university. After August 1, 1982, any contribution by a university faculty member shall be picked up by the employing university pursuant to KRS 161.540(2).