Maryland State Personnel and Pensions Section 22-201
§ 22-201.
  (a)   Except as provided in subsection (b) of this section, §§ 22-202 through 22-204 of this subtitle apply only to:
    (1)   a regular employee whose compensation is provided by State appropriation or paid from State funds;
    (2)   an appointed or elected official of the State, including:
      (i)   a clerk of the circuit court;
      (ii)   a register of wills;
      (iii)   a State's Attorney; and
      (iv)   a sheriff;
    (3)   an employee or official of a participating governmental unit who is eligible to participate under Title 31, Subtitle 1 of this article;
    (4)   an employee of the Office of the Sheriff of Baltimore City;
    (5)   a permanent employee of the board of supervisors of elections of a county;
    (6)   an employee of the Maryland Environmental Service who is a member of the Employees' Retirement System on June 30, 1993;
    (7)   an employee of Dorchester County who is not a member of the county's general pension and retirement program and who is a member of the Employees' Retirement System;
    (8)   a court reporter for the Circuit Court for Charles County who is a member of the Employees' Retirement System on July 1, 1994; and
    (9)   a staff employee of the University System of Maryland, Morgan State University, or St. Mary's College who is a member of the Employees' Retirement System as of January 1, 1998.
  (b)   Sections 22-202 through 22-204 of this subtitle do not apply to:
    (1)   an individual who is a member of any State system other than the Employees' Retirement System;
    (2)   an individual who is entitled to be a member of any State system other than the Employees' Retirement System or the Employees' Pension System;
    (3)   a contractual, emergency, or temporary extra employee;
    (4)   an individual who is employed under a federal public service employment program;
    (5)   an assessor who is a member of a retirement or pension system operated by a political subdivision of the State; or
    (6)   an employee of a local board of elections who chooses to stay in a local merit system under § 2-207 of the Election Law Article.