Maryland Constitution of 1867 Art. 2, § 20

He shall have power to grant reprieves and pardons, except in cases of impeachment, and in cases, in which he is prohibited by other Articles of this Constitution; and to remit fines and forfeitures for offences against the State; but shall not remit the principal or interest of any debt due the State, except, in cases of fines and forfeitures; and before granting a nolle prosequi, or pardon, he shall give notice, in one or more newspapers, of the application made for it, and of the day on, or after which, his decision will be given; and in every case, in which he exercises this power, he shall report to either Branch of the Legislature, whenever required, the petitions, recommendations and reasons, which influenced his decision.