La. Consolidated Public Retirement § 11:555
Notwithstanding any other provisions of law to the contrary, any judge enumerated in R.S. 11:553 who is in office on September 7, 1979 and who failed to timely exercise his option to be governed by this Subpart shall be eligible to become a member and receive credit for all service rendered as a judge. In order to receive such membership and credit any such judge shall on or before the lapse of one hundred twenty days after September 7, 1979 apply to the board of trustees for such membership and credit. In addition, any such judge shall pay into the system an amount equal to the employers and the employee contributions which would have been paid on and after October 1, 1976 had this system been applicable to his service as a judge since October 1, 1976, plus five percent interest thereon, compounded annually from the dates of such service until paid. The employer or employers may pay into the system an amount equal to the employee contributions which would have been paid since October 1, 1976 plus five percent interest thereon, compounded annually from date of service until paid. The judge and/or the employer or employers will make such payments within one hundred twenty days after the judge makes application to the board of trustees.
La. Consolidated Public Retirement § 11:555