Maryland State Personnel and Pensions Section 22-205
§ 22-205.
  (a)   Except as provided in subsection (b) of this section, §§ 22-206 through 22-208 of this subtitle apply only to:
    (1)   an employee of a day school in the State under the authority and supervision of a county board of education or the Baltimore City Board of School Commissioners, employed as:
      (i)   an attendance officer;
      (ii)   a clerk;
      (iii)   a helping teacher;
      (iv)   a principal;
      (v)   a superintendent;
      (vi)   a supervisor; or
      (vii)   a teacher;
    (2)   a faculty employee of an educational institution supported by and under the control of the State;
    (3)   a librarian or clerical employee of any library that is established or operates under the Education Article;
    (4)   a professional or clerical employee of a community college that is established or operates under the Education Article; or
    (5)   a staff employee of the University System of Maryland, Morgan State University, or St. Mary's College who is a member of the Teachers' Retirement System as of January 1, 1998.
  (b)   Sections 22-206 through 22-208 of this subtitle do not apply to:
    (1)   an individual who has elected to participate in an optional retirement program under Title 30 of this article;
    (2)   an individual who is employed under a federal public service employment program;
    (3)   a professional or clerical employee of the Department of Public Libraries of Montgomery County who elected to transfer to the employees' retirement system of Montgomery County; or
    (4)   an employee of the University System of Maryland, Morgan State University, or St. Mary's College who becomes an employee on or after January 1, 1998 in a position as a staff employee of the educational institution that was eligible for membership in the Teachers' Retirement System or Teachers' Pension System under Chapter 6, § 8, paragraphs 1(a) and 2(a) of the Acts of 1994.