The provisions of §§ 9–105 and 9–106 of this article apply to an act, an ordinance, or a resolution adopted under this section. The County Commissioners of St. Mary’s County may adopt a separate pension plan or may amend an existing pension plan for: the Sheriff; deputy sheriffs; or correctional officers. By resolution, the County Commissioners of St. Mary’s County may: adopt the provisions of any pension plan established under subsection (b) of this section; or amend the provisions of any existing pension plan. The County Commissioners of St. Mary’s County shall provide for the funding required to implement and support any action taken under this section.