D.C. Mun. Regs. tit. 3, § 5805
5805.1 The Director of Government Ethics may refer to the United States Attorney for prosecution any person who willfully and knowingly violates Subtitle E of the Ethics Act. Penalties for violations include a fine of not more than $5,000, or imprisonment for not more than 12 months, or both.
5805.2 In addition to any penalty available under § 5805.1, any person convicted of a violation under that Subsection may, at the discretion of the Board, be prohibited from serving as a lobbyist for a period of three years from the date of the conviction.
5805.3 Any person who files a lobbyist report or registration form in an untimely manner shall be assessed a civil penalty of $10 per day up to 30 days (excluding Saturdays, Sundays, and holidays) that the report or registration form is late. This civil penalty shall be imposed as a ministerial matter by the Director of Government Ethics. Upon petition, the Ethics Board may waive the penalty for good cause shown.
SOURCE: Final Rulemaking published at 60 DCR 2852 (March 8, 2013).