Md. Code, Family Law § 1–202

(a) In an action in which custody, visitation rights, or the amount of support of a minor child is contested, the court may:

(1) (i) appoint a lawyer who shall serve as a child advocate attorney to represent the minor child and who may not represent any party to the action; or

(ii) appoint a lawyer who shall serve as a best interest attorney to represent the minor child and who may not represent any party to the action; and

(2) impose counsel fees against one or more parties to the action.

(b) A lawyer appointed under this section shall exercise ordinary care and diligence in the representation of a minor child.