Md. Code, Fin. Inst. § 1-304 : FINANCIAL INSTITUTIONS — DEFINITIONS; GENERAL PROVISIONS — CONFIDENTIAL FINANCIAL RECORDS —304 - Permitted disclosures - Subpoena TEXT PDF (a) In this section, "subpoena" means a subpoena, summons, warrant, or court order that appears on its face to have been issued on lawful authority. (b) A fiduciary institution may disclose or produce financial records or information derived from financial records in compliance with a subpoena served on the fiduciary institution, if: (1) The subpoena contains a certification that a copy of the subpoena has been served on the person whose records are sought by the party seeking the disclosure or production of the records; or (2) Contains a certification that service has been waived by the court for good cause. Md. Code, FI § 1-304