District of Columbia Code
Part B - Amendment of Bylaws
§ 29–408.20. Amendment by board of directors or members

(a) Except as otherwise provided in the articles of incorporation or bylaws, the members of a membership corporation may amend or repeal the corporation’s bylaws.
(b) The board of directors of a membership corporation or nonmembership corporation may amend or repeal the corporation’s bylaws, unless the articles of incorporation or bylaws or § 29-408.21 or § 29-408.22 reserve that power exclusively to the members or a designated body in whole or part.
(July 2, 2011, D.C. Law 18-378, § 2, 58 DCR 1720.)