Maryland Health - General Section 10-618
§ 10-618.
  (a)   A person who applies for involuntary admission of an individual shall have the immunity from liability described under § 5-623(b) of the Courts and Judicial Proceedings Article.
  (b)   A facility or Veterans' Administration hospital that acts in compliance with the provisions of Part III of this subtitle shall have the immunity from liability described under § 5-623(c) of the Courts and Judicial Proceedings Article.
  (c)   An agent or employee of a facility or Veterans' Administration hospital who acts in compliance with the provisions of Part III of this subtitle shall have the immunity from liability described under § 5-623(d) of the Courts and Judicial Proceedings Article.