(a) An eligible employee shall elect to: (1) join a pension or retirement system in accordance with the provisions of this Division II applicable to that system; or (2) participate in the program. (b) An eligible employee shall: (1) make an election under this section in writing; and (2) file the election with the Board of Trustees and the employing institution at commencement of employment. (c) An eligible employee’s election under this section is a one–time, irrevocable election. (d) The effective date of the election shall be the day of commencement of employment.
Maryland Legal Code