D.C. Code § 29-936: Foreign corporations and associations; admission to do business.

A foreign corporation or association operating on a cooperative basis and complying with the applicable laws of the state wherein it is organized shall be entitled to do business in the District as a foreign cooperative corporation or association and shall govern itself in accordance with its bylaws and the laws of the state wherein it is organized. A foreign corporation or association shall file a foreign registration statement as provided in § 29-105.03.