(a) A member shall become eligible to receive a pension beginning with the first month after attainment of age 60 if the member has 10 years of credited service.
(b) For purposes of this section, credited service shall include any period during which a member qualifies for benefits under Chapter 67 of Title 18 and/or workers' compensation.
(c) An inactive member with a vested right to a pension shall become eligible to receive such pension, computed in accordance with this chapter in effect when the member ceased to be a member, beginning with the first month after the member's attainment of age 60.