La. R.S. 11:1789.5

Each member of Plan A Tier 2 shall contribute a percentage of his earnings from each and every payment of earnings, which contributions shall be credited to Annuity Savings Fund A, and which percentage shall be set by the board for each fiscal year within a range from eight percent to ten percent and shall become effective as of the next payroll period reportable on the employee's W-2 for that fiscal year.