Maryland Code, State Personnel and Pensions § 29-105

(i) the member is mentally or physically incapacitated for the further performance of the normal duties of the member's position;

(ii) the incapacity is likely to be permanent; and

(iii) the member should be retired.

(i) is promoted within the Department of Corrections to a position that no longer is eligible for membership in the Correctional Officers' Pension System as provided in § 25-201 of this article;

(ii) elects not to transfer the years of creditable service the individual accrued in the Correctional Officers' Retirement System to the Employees' Pension System; and

(iii) is eligible to receive a vested allowance from the Correctional Officers' Retirement System.