Any disability beneficiary of the Louisiana State Police Retirement System or of the Municipal Police Employees' Retirement System receiving disability benefits as a result of an injury sustained in the line of duty, who, as a result of his injury, is an amputee to a degree that he would be disqualified from serving as a state trooper or as a municipal policeman, shall be exempt from the provisions of R.S. 11:221 or any other provision of law which provides for reduction of disability benefits if the recipient, subsequent to his disability, becomes gainfully employed.
La. Consolidated Public Retirement § 11:223