(a) An individual who elects membership in the Employees’ Pension System under § 23-204(f) of this article and is an employee of the City of College Park on the effective date shall receive eligibility service and creditable service in the Employees’ Pension System equal to 60% of the individual’s period of employment with the City of College Park before the effective date as certified by the City of College Park as of the effective date.

(b) If an employee or a former employee of the City of College Park becomes a member of the Employees’ Pension System at any time after the effective date, the employee may not receive service credit for employment with the City of College Park before the effective date.