N.D. Cent. Code § 39-03.1-18 : — MOTOR VEHICLES03.1 - HIGHWAY PATROLMEN'S RETIREMENT SYSTEM —03.1-18 - Compulsory termination of employment TEXT PDF A contributor who is at least the age of sixty years may not continue employment with the patrol. The superintendent shall terminate the employment of such a member. The termination is effective no later than the member's sixtieth birthday. N.D.C.C. § 39-03.1-18