This section applies to a member of the Law Enforcement Officers’ Pension System who is subject to the Law Enforcement Officers’ Modified Pension Benefit under Subtitle 2, Part II of this title. A member is entitled to the eligibility service to which the member was entitled before the separation from employment if the member: was entitled to a vested allowance from the Law Enforcement Officers’ Pension System at the time of the separation from employment; and has completed 1 year of employment as a member of the Law Enforcement Officers’ Pension System who is subject to the Law Enforcement Officers’ Modified Pension Benefit under Subtitle 2, Part II of this title.