Md. Code, Alcoholic Beverages and Cannabis § 23–2602

(a) The Board may subpoena records pertaining to a licensed establishment.

(b) (1) The Board may petition the circuit court if a witness refuses to produce a subpoenaed record.

(2) The court shall proceed by attachment against the witness as if the refusal had been by a witness summoned to appear in a case pending before the court.