This section applies to an individual who is a former vested member, retiree, or surviving beneficiary of a deceased member, former vested member, or retiree, who, on or after June 30, 2005, is required to become a former vested member, retiree, or surviving beneficiary of a deceased member, former vested member, or retiree of the Employees’ Pension System as provided under § 21-306(f) or (g) of this article. An individual described under subsection (a) of this section shall continue to receive benefits in accordance with the provisions of Title 28 of this article.