Sec. 18. EMPLOYMENT BY ANOTHER DEPARTMENT. (a) Except as provided by this section:

(1) credit may not be allowed to any person for service with any department in the city other than the police department;

(2) a person's service will be computed from the date of entry into the service of the police department as a classified police officer until the date of separation from service with the police department; and

(3) a member who received service credit for service with any department in the city other than the police department and who is receiving a monthly pension benefit or who began participation in DROP before the year 2017 effective date shall continue to have the service credit apply.

(b) Repealed by Acts 2017, 85th Leg., R.S., Ch. 320 (S.B. 2190), Sec. 2.32, eff. July 1, 2017.

(c) Repealed by Acts 2017, 85th Leg., R.S., Ch. 320 (S.B. 2190), Sec. 2.32, eff. July 1, 2017.

(d) Classified police officers who were formerly employed by a city as park police, airport police, or marshals, who were involuntarily transferred from another city department to the police department of the city, and who are current active members of the pension system shall have the option to receive credit with the pension system for previous service with another pension system of the city, provided that a person may not receive service credit for both pension systems for the same period of service.