Any person harmed by an owner, buyer, or any other person who violates this division may file a written complaint with the Department. The Department may enforce this division by: investigating any alleged violation; issuing a summons or subpoena to compel the attendance of a person or the production of documents or other evidence; enjoining a violation; revoking a rental license issued under this Subtitle; reporting a violation to any other appropriate government agency; informal conciliation between a complainant and an alleged violator; dismissing a complaint when the Director of the Department determines that there is insufficient evidence of a violation; obtaining injunctive or other appropriate judicial relief, such as an order to: require compliance with a summons or a subpoena; require an alleged violator or witness to attend a Department meeting or other proceeding concerning the alleged violation; require production of documents or other evidence; require transfer of documents or other evidence to the Court; or prohibit the destruction of documents or other evidence; recovering costs and fees of an investigation or a lawsuit if the Department finds a violation occurred, and prevails in any appeal; ordering any appropriate financial, legal, or equitable relief to a tenant injured by a violation of this subdivision; any other applicable enforcement action that the Department could take to enforce a violation of this Subtitle; developing, conducting, or assisting in educational and information programs concerning the requirements of this subdivision; and adopting regulations to implement this subdivision. Any sale of a multifamily rental facility in violation of this subdivision is void. This division does not limit any other legal right or remedy otherwise available to a person.