Except as provided in paragraph (2) of this subsection, this section applies to an individual who becomes an employee of a participating governmental unit on or after July 1, 2011. This section does not apply to an individual who becomes an employee of: a participating governmental unit that on July 1, 2011, is participating in the Employees’ Pension System and has not elected to participate in the Alternate Contributory Pension Selection under § 31–116.1 of this subtitle; or a former participating governmental unit, other than Frederick County, that has withdrawn from the Employees’ Pension System on or before June 30, 2011. An individual described in subsection (a) of this section is subject to the reformed contributory pension benefit under Title 23, Subtitle 2, Part IV of this article. This subsection applies to an individual who: was an employee of the Somerset County Economic Development Commission on June 30, 2011, and who remains an employee through the effective date of participation for the Somerset County Economic Development Commission as a participating governmental unit; or was an employee of the Dorchester County Council working for the Dorchester County Sanitary Commission on June 30, 2011; continues working for the Dorchester County Sanitary Commission without incurring a break in employment of more than 30 days; and becomes an employee of the Dorchester County Sanitary Commission before the effective date of participation for the Dorchester County Sanitary Commission as a participating governmental unit and remains an employee through the effective date of participation. An individual described in paragraph (1) of this subsection shall be considered subject to the alternate contributory pension benefit under Title 23, Subtitle 2, Part III of this article in the same manner as an individual who was a member of the Employees’ Pension System on June 30, 2011.