N.J. Stat. Ann. § 43:10-98

6. Physical unfitness or incapacity for further duty of any court interpreter shall, for all purposes of this act, be established and determined by a board of three physicians who shall be designated for that purpose by the assignment judge of the Superior Court in such county. The three physicians so designated shall examine the court interpreter applying for retirement upon one-half pay because of physical unfitness or incapacity for further duty, and if they, or a majority of them, find him physically unfit or incapacitated for further duty, they, or a majority of them, shall make and sign a certificate to that effect and file the same with the county treasurer, and thereupon the applicant shall be retired upon one-half pay.