La. R.S. 11:2220.4

The Municipal Police Employees' Retirement System is hereby authorized to promulgate rules and regulations to permit the irrevocable renunciation of a retirement benefit or allowance or a survivor benefit or allowance. If such rules and regulations are adopted, any renunciation thereunder shall be deemed to be made pursuant to this Section. Any rule or regulation promulgated by the system relative to the renunciation of a retirement benefit or allowance or a survivor benefit or allowance prior to August 15, 1995, shall have full force and effect and shall be deemed to have been promulgated under the authority of this Section.