Maryland Code, Transportation § 13-205

(1) The owner;

(2) The Administration; and

(3) A dealer licensed under Title 15, Subtitle 3 of this article who, on behalf of the owner, pays off the security interest if the owner authorizes the secured party in writing to deliver a copy of the release to the dealer.

(d)(1) If, after notice to all interested parties and a hearing, the Administration determines that an indebtedness does not constitute a security interest, it shall:

(2) Any person aggrieved by the decision of the Administration may appeal in accordance with the provisions of the Administrative Procedure Act.  1