Maryland Code, Transportation § 16-202

(a) The privilege given to a nonresident to drive a motor vehicle on highways in this State may be suspended or revoked by the Administration in the same way and for the same reasons that a driver's license issued under this title may be refused, suspended, or revoked.

(b) If the Administration receives a record of the conviction in this State of a nonresident driver of any offense under the motor vehicle laws of this State, the Administration may send a certified copy of the record to the motor vehicle administrator in the state in which the convicted person resides or is licensed to drive.

(c) If, after an appeal is taken or on failure to take an appeal, a nonresident's privilege to drive is suspended, the Administration shall send written information of the suspension to the motor vehicle administrator of the state in which the person resides and of any other state in which he is licensed to drive.