Maryland State Personnel and Pensions Section 7-402

      (a)      Each employee subject to this subtitle is required to complete a 6-month probationary period as the final step in:

            (1)      the employee's initial appointment to a position in the State Personnel Management System;

            (2)      the employee's appointment to a position in the skilled or professional service following a competitive promotion; and

            (3)      except as provided in subsection (b) of this section, the employee's appointment to a position in the skilled or professional service following a reinstatement.

      (b)      An employee is not required to serve a probationary period if the employee is reinstated within 1 year after the employee's separation from State service to a classification in which the employee had previously completed a probationary period.

      (c)      To successfully complete a probationary period, an employee is required to demonstrate proficiency in the assigned duties and responsibilities of the position to which the employee is appointed.