Maryland State Personnel and Pensions Section 13-204

      Except as authorized under § 13-303 of this title, the Secretary may not continue certification for any contractual employee if the Secretary determines that the services performed under the contract:

            (1)      encompass permanent functions;

            (2)      have no specific expiration date; and

            (3)      regularly are performed on a basis that is at least equal to 50% of the work responsibility of a full-time permanent employee.