D.C. Code § 43-101

When 5 or more persons shall associate themselves together for the purpose of forming a cemetery association in the District, such persons shall have the power to adopt a corporate name, and by that name shall be known as a body corporate, and by that name shall have perpetual succession and be invested with all powers, rights, privileges, liabilities, and immunities incident to corporations, and may have a common seal, and may alter or change the same at their pleasure.