Md. Code, Business Regulation § 10–316

The Comptroller shall issue a stop sale notice if the Comptroller finds that a person:

(1) stores or sells motor fuel from a location that does not have a valid certificate of registration;

(2) willfully uses a motor fuel advertisement that is misleading;

(3) willfully markets motor fuel that has not been approved; or

(4) sells motor fuel below cost in violation of § 10-304.1 of this subtitle.