Maryland Code, State Personnel and Pensions § 27-401

(i) on termination of service, if the member is at least 60 years old;

(ii) on the recommendation of the medical board, if the member or former member resigns because of disability;

(iii) when retired by order of the Supreme Court of Maryland; or

(iv) at the age of 60 years, if the former member's termination of service occurred earlier.

(i) on termination of service, if the member is at least 60 years old and has at least 5 years of eligibility service;

(ii) on the recommendation of the medical board, if the member or former member resigns because of disability;

(iii) when retired by order of the Supreme Court of Maryland, if the member has at least 5 years of eligibility service;

(iv) at the mandatory retirement age required by Article IV, § 3 of the Maryland Constitution with less than 5 years of eligibility service, if the member has eligibility service equal to the mandatory retirement age required by Article IV, § 3 of the Maryland Constitution minus the member's age when the member first becomes a member; or

(v) at the age of 60 years, if the former member's termination of service occurred earlier and the former member had at least 5 years of eligibility service when the former member terminated service.