Md. Code, Commercial Law § 13–401

(a) A consumer who is subjected to a violation of this title may file with the Division a written complaint which states:

(1) The name and address of the person alleged to have committed the violation complained of;

(2) The particulars of the violation; and

(3) Any other information required by the Division.

(b) After the filing of a complaint, the Division shall investigate the allegations to ascertain issues and facts. If appropriate, the Division shall refer a complaint to the Federal Trade Commission.

(c) The Division may seek the cooperation of the licensing authorities and contracting departments of the State in connection with its investigation of a person who is licensed to do business in the State or who has a contractual relationship with the State.

(d) If the Division determines that the complaint lacks reasonable grounds on which to base a violation of this subtitle, it may:

(1) Dismiss the complaint; or

(2) Conduct any further investigation it considers necessary.

(e) This section does not prevent a consumer from:

(1) Exercising any right or seeking any remedy to which he might otherwise be entitled; or

(2) Filing a complaint with any other agency or court.