Maryland Tax - General Section 9-330
§ 9-330.
  Subject to § 9-331 of this subtitle, the Comptroller may cancel a license or exemption certificate if the licensee or certificate holder:
    (1)   files false information under this subtitle;
    (2)   fails to file a report required under this subtitle;
    (3)   fails to give the Comptroller the notice of a change in use required under § 9-327(b) of this subtitle;
    (4)   fails to pay any motor fuel tax, interest, or penalty due under this subtitle;
    (5)   violates any requirement for the class of license held;
    (6)   violates any regulation adopted under this subtitle;
    (7)   fails to maintain the bond required under Title 13 of this article;
    (8)   stops engaging for more than 6 consecutive months in the business for which licensed; or
    (9)   fails to keep records required under this article, Title 10, Subtitle 3 of the Business Regulation Article, or an applicable regulation.