(a) Subject to subsection (b) of this section, an employee of a participating governmental unit who is a member of one of the employees’ systems is entitled to the benefits to which State employees are entitled under that system.
(b) (1) An employee of a participating governmental unit that has elected to participate in:
(i) the contributory pension benefit option under § 31-116 of this subtitle shall be subject to Title 23, Subtitle 2, Part II of this article; or
(ii) the Alternate Contributory Pension Selection under § 31-116.1 of this subtitle shall be subject to Title 23, Subtitle 2, Part III of this article.
(2) An employee of a participating governmental unit that has not elected to participate in:
(i) the contributory pension benefit option under § 31-116 of this subtitle is not subject to Title 23, Subtitle 2, Part II of this article; or
(ii) the Alternate Contributory Pension Selection under § 31-116.1 of this subtitle is not subject to Title 23, Subtitle 2, Part III of this article.