Md. Code, General Provisions § 5–401

(a) (1) Any entity may file with the Ethics Commission a written complaint alleging a violation of this title.

(2) A complaint filed under this subsection shall be:

(i) signed; and

(ii) made under oath.

(b) The Ethics Commission on its own motion may issue a complaint alleging a violation of this title.

(c) The Ethics Commission shall promptly transmit a copy of the complaint to the respondent.