Maryland Code, Environment § 15-527

(a) An employee of the State of Maryland who performs any function or duty under this subtitle may not have a direct or indirect financial interest in any open-pit or deep mining operation. For purposes of this section, prohibited financial interests shall be determined in accordance with federal regulations adopted under the federal Surface Mining Control and Reclamation Act of 1977 (Public Law 95-87). 1

(b) This section is intended to be read in conjunction with and to supplement the provisions of the Maryland Public Ethics Law,  2 but in the event of any conflict, the requirements of this section shall prevail.

(c) Any person who knowingly violates any provision of this section is guilty of a misdemeanor and, on conviction, is subject to a fine of not more than $2,500 or imprisonment for not more than 1 year or both.