Maryland State Personnel and Pensions Section 2-601
§ 2-601.
  (a)   Except as provided for in subsection (c)(2) of this section, a former nontemporary State employee who returns to State employment in a position in the State Personnel Management System within 3 years from separation is reinstated.
  (b)   A reinstated State employee shall have unused accumulated sick leave restored.
  (c)   (1)   A former nontemporary employee who is reinstated in a position in the State Personnel Management System shall receive credit for time employed before separation for the purpose of determining the employee's:
      (i)   step in the pay grade applicable to the employee's class;
      (ii)   rate of annual leave accrual; and
      (iii)   seniority rights.
    (2)   A former nontemporary State employee who returns to a position in an independent personnel system in accordance with the reinstatement provisions of that system shall receive benefits allowed by that personnel system.