A. Notwithstanding any other provisions of law to the contrary, the provisions of this Section shall be applicable to all members of the following public retirement systems:
(1) Louisiana State Employees' Retirement System.
(2) Louisiana School Employees' Retirement System.
(3) Teachers' Retirement System of Louisiana.
(4) Assessors' Retirement Fund.
(5) Clerks' of Court Retirement and Relief Fund.
(6) District Attorneys' Retirement System.
(7) Firefighters' Retirement System.
(8) Municipal Employees' Retirement System of Louisiana.
(9) Municipal Police Employees' Retirement System.
(10) Parochial Employees' Retirement System of Louisiana.
(11) Registrars of Voters Employees' Retirement System.
(12) Sheriffs' Pension and Relief Fund.
B.(1) Except as provided in Paragraph (2) of this Subsection, all payments of employers' contributions and employees' contributions, including any payments due from the state of Louisiana which are paid after becoming delinquent, shall include interest to be paid to the retirement system at the rate of legal interest computed from the date the payment became delinquent.
(2) For any employer who is unable to make the required contributions on a timely basis as a consequence of Hurricane Katrina or Rita, or both, no interest shall be assessed or payable on contributions which were due for August or September 2005, for the first two months of delinquency.