The District of Columbia TN 3 Trade Name Cancellation Form is a document used to cancel a District of Columbia Trade Name. This form is an official document that must be filled out and submitted to the Office of Tax and Revenue, Business Registration Division in order to cancel a trade name in Washington D.C. This form must be signed by the owner or authorized representative of the business whose trade name is being cancelled. It includes fields for information such as the business name, address, owner name, and contact information. There are two types of District of Columbia TN 3 Trade Name Cancellation Form: the paper form and the online form. The paper form must be printed and completed, then submitted either in-person or by mail to the Office of Tax and Revenue. The online form can be completed and submitted electronically.