Maryland Health - General Section 7-903
§ 7-903.
  (a)   In addition to any other license required by law, a person shall be licensed by the Administration before the person may provide the following services to an individual with developmental disability or a recipient of individual support services:
    (1)   Day habilitation services;
    (2)   Residential services;
    (3)   Services coordination;
    (4)   Vocational services;
    (5)   More than 1 family support service, as defined under § 7-701 of this title;
    (6)   More than 1 individual support service; and
    (7)   More than 1 community supported living arrangements service.
  (b)   (1)   If a person is licensed or certified by another State agency or accredited by a national accreditation agency such as the Accreditation Council for Persons with Developmental Disabilities (ACDD) or the Council for Accreditation for Rehabilitation Facilities (CARF) to provide services to an individual with a developmental disability or a recipient of individual support services, the Director may waive the requirement for a license by the Administration.
    (2)   Upon a showing by the Director that the licensed, certified, or accredited person is out of compliance with licensing regulations adopted by the Secretary the Director may revoke the waiver.