Maryland Code, Business Regulation § 14-112

(1) tend to incriminate the person; or

(2) subject the person to a penalty or forfeiture.

(b)(1) If a person claims the privilege against self-incrimination as to a specific subject, and is then compelled to testify or produce evidence on that subject, the person may not be prosecuted or subjected to a penalty or forfeiture in connection with that subject.

(2) A person who testifies is not exempt from prosecution and punishment for perjury or contempt committed while testifying.