Md. Code, Transportation § 13–710

(a) The Administration may deny, cancel, suspend, or revoke the commercial motor vehicle registration of a vehicle if:

(1) The motor carrier responsible for the safety of the vehicle is subject to an out–of–service order, as defined in § 16–812(i)(1) of this article, or other federal operating authority sanctions; or

(2) The United States Department of Transportation determines that the motor carrier responsible for the safety of the vehicle is attempting or has attempted to operate a motor carrier under a new identity or as an affiliated entity to avoid:

(i) Complying with a United States Department of Transportation order;

(ii) Complying with a statutory or regulatory requirement;

(iii) Paying a civil penalty;

(iv) Responding to an enforcement action; or

(v) Being linked with a negative compliance history.

(b) A denial, cancellation, suspension, or revocation under this section shall continue until the out–of–service order or other federal operating authority sanctions have been lifted and the motor carrier is allowed to resume operations.