The Teachers' Retirement System of Louisiana is authorized to apply any overpayment of employer contributions made during a fiscal year to any months in which there are employer contributions due the retirement system. Those months due for the longest period of time shall be paid first. When all employer contributions are paid up to date, any remaining overpayment shall be used to pay any interest due the retirement system as authorized by R.S. 11:281. The interest on those months due for the longest period of time shall be paid first.
La. Consolidated Public Retirement § 11:895