Md. Code, Tax - General § 13–1010

A person, including an officer of a corporation, who is required to pay the sales and use tax and who willfully evades the tax by use of a license number or exemption number that has not been issued by the Comptroller to the person using the number is guilty of a misdemeanor and, on conviction, is subject to a fine not exceeding $1,000 or imprisonment not exceeding 1 year or both.