District of Columbia · checked 2026-09-03 · Source-backed guide

District of Columbia trade name filing guide

All covered entity types

Authority and fee for this entity route. Choose your entity below before filing.

Authority: Corporations DivisionSource: dlcp.dc.gov official record · retrieved
Supporting excerptCorporations Division However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
Official fee: $55.00Source: dlcp.dc.gov official record · retrieved
Supporting excerptTrade name registration application: $55.00
Form: TN-1 Trade Name RegistrationSource: dlcp.dc.gov official record · retrieved
Supporting excerptTo register a new Trade Name, complete a TN-1 Trade Name Registration form.

Use the official filing path →Source: corponline.dlcp.dc.gov official record · retrieved

Supporting excerptYou can register a trade name via BOSS (formerly CorpOnline). Online filers must pay by using a credit card.

What District of Columbia calls a DBA

The official term documented here is trade name.

Source: dlcp.dc.gov official record · retrieved
Supporting excerpttrade name A trade or fictitious name is any name used in business that does not include the full legal name of all the owners of the business.

The District of Columbia calls this record a trade name. DLCP defines that expression around a business name that does not contain the complete legal names of everyone who owns the business, or that uses wording suggesting additional interested people. The practical trigger is use: the Corporations Division registration FAQ says that when a trade name is used in DC, it must be registered and placed on the division's record. That instruction covers organizations already registered with the Corporations Division as well as sole proprietors and general partnerships. Registration does not replace the owner's legal or corporate name, and the official guide distinguishes the two. The District permits a business to have one corporate name and multiple trade names. The filing is valid only for use in DC, so it should not be treated as a nationwide name grant. The responsible authority is the DC Department of Licensing and Consumer Protection, Corporations Division, and its current BOSS service is the official online starting point.

Official sources and supporting excerptsSource: dlcp.dc.gov official record · retrieved
  • However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • Corporations Division However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • To register a new Trade Name, complete a TN-1 Trade Name Registration form.
  • Any entity registered/incorporated by Corporations Division can register a trade name. In addition, sole proprietors and general partnerships, can register a trade name.
Source: corponline.dlcp.dc.gov official record · retrieved
  • You can register a trade name via BOSS (formerly CorpOnline). Online filers must pay by using a credit card.
Source: dlcp.dc.gov official record · retrieved
  • Trade name registration application: $55.00
  • You may file Trade Name Amendment Form TN-4. Trade name amendment application: $55.00
Source: dlcp.dc.gov official record · retrieved
  • Currently, trade name registration is valid for two years from initial registration date.
  • First renewal is by April 1st of the 2nd year from the year of registration and every two years thereafter. Trade names can be renewed after April 1st but no later than by September 1st of any given year. If trade name is not renewed by the deadline, it will be canceled on September 1st.
  • Trade name cancellation: $55.00

Rules by legal entity type

Jump to the entity that already exists. Each section keeps its own authority, fee, exceptions, and official evidence.

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All covered entity types

Required: Yes, when the documented conditions apply.Source: dlcp.dc.gov official record · retrieved
Supporting excerptHowever, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
Authority: Corporations DivisionSource: dlcp.dc.gov official record · retrieved
Supporting excerptCorporations Division However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
When this route applies: Any entity registered/incorporated by Corporations Division can register a trade name. In addition, sole proprietors and general partnerships, can register a trade name.Source: dlcp.dc.gov official record · retrieved
Supporting excerptAny entity registered/incorporated by Corporations Division can register a trade name. In addition, sole proprietors and general partnerships, can register a trade name.
Official form: TN-1 Trade Name RegistrationSource: dlcp.dc.gov official record · retrieved
Supporting excerptTo register a new Trade Name, complete a TN-1 Trade Name Registration form.
Form destination: https://dlcp.dc.gov/node/1731256Source: dlcp.dc.gov official record · retrieved
Supporting excerptTo register a new Trade Name, complete a TN-1 Trade Name Registration form.
Online filing link: https://corponline.dlcp.dc.gov/Source: corponline.dlcp.dc.gov official record · retrieved
Supporting excerptYou can register a trade name via BOSS (formerly CorpOnline). Online filers must pay by using a credit card.
Official fee: $55.00Source: dlcp.dc.gov official record · retrieved
Supporting excerptTrade name registration application: $55.00
Effective duration: trade name registration is valid for two years from initial registration dateSource: dlcp.dc.gov official record · retrieved
Supporting excerptCurrently, trade name registration is valid for two years from initial registration date.
Renewal: First renewal is by April 1st of the 2nd year from the year of registration and every two years thereafter.Source: dlcp.dc.gov official record · retrieved
Supporting excerptFirst renewal is by April 1st of the 2nd year from the year of registration and every two years thereafter. Trade names can be renewed after April 1st but no later than by September 1st of any given year. If trade name is not renewed by the deadline, it will be canceled on September 1st.
Changes or amendments: Trade Name Amendment Form TN-4Source: dlcp.dc.gov official record · retrieved
Supporting excerptYou may file Trade Name Amendment Form TN-4. Trade name amendment application: $55.00
Abandonment or cancellation: Trade name cancellation: $55.00Source: dlcp.dc.gov official record · retrieved
Supporting excerptTrade name cancellation: $55.00
Important exclusions: Not confirmed in this guide.
Mail filing: Not confirmed in this guide.
In-person filing: Not confirmed in this guide.

How to file through the authority

Use the current DLCP business-registration instructions rather than a commercial filing page. The official FAQ identifies TN-1 as the Trade Name Registration form and tells online filers to use BOSS, formerly called CorpOnline. A sole proprietor or general partnership selects the option for an unincorporated operator; an organization should act through the entity that will own the trade name. DLCP cautions that only the entity or person listed as owner may use that registered trade name. The current fee schedule states a $55 registration fee. The online workflow accepts credit-card payment and produces a confirmation page that the filer should retain. This guide does not assert a mail submission route or turn DLCP's office address into an unverified delivery instruction, because the reviewed registration workflow supplies the online action but does not publish a mail procedure. Confirm the live BOSS prompts before payment, particularly the owner identity and entity status, because an entity must remain connected to the name it registers.

Official sources and supporting excerptsSource: dlcp.dc.gov official record · retrieved
  • However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • Corporations Division However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • To register a new Trade Name, complete a TN-1 Trade Name Registration form.
  • Any entity registered/incorporated by Corporations Division can register a trade name. In addition, sole proprietors and general partnerships, can register a trade name.
Source: corponline.dlcp.dc.gov official record · retrieved
  • You can register a trade name via BOSS (formerly CorpOnline). Online filers must pay by using a credit card.
Source: dlcp.dc.gov official record · retrieved
  • Trade name registration application: $55.00
  • You may file Trade Name Amendment Form TN-4. Trade name amendment application: $55.00
Source: dlcp.dc.gov official record · retrieved
  • Currently, trade name registration is valid for two years from initial registration date.
  • First renewal is by April 1st of the 2nd year from the year of registration and every two years thereafter. Trade names can be renewed after April 1st but no later than by September 1st of any given year. If trade name is not renewed by the deadline, it will be canceled on September 1st.
  • Trade name cancellation: $55.00

Renewal, amendment, and abandonment

A DC trade-name registration is not indefinite. DLCP says it remains valid for two years from initial registration. The first renewal is due by April 1 of the second year after the registration year, with the same two-year pattern thereafter. A late renewal can be submitted after April 1 through August 31, but DLCP charges a late fee equal to the renewal fee. If the registration is still not renewed, the guide says it is cancelled on September 1 and the filer must register again if the name remains available. The current fee page lists $55 for renewal and another $55 as the late fee. For changes, DLCP identifies TN-4 as the amendment form and lists a $55 amendment charge. Cancellation also costs $55. These are distinct actions: amendment changes a current record, renewal maintains it, and cancellation ends it. The page keeps those milestones separate so April 1, August 31, and September 1 are not collapsed into one misleading deadline.

Official sources and supporting excerptsSource: dlcp.dc.gov official record · retrieved
  • However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • Corporations Division However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • To register a new Trade Name, complete a TN-1 Trade Name Registration form.
  • Any entity registered/incorporated by Corporations Division can register a trade name. In addition, sole proprietors and general partnerships, can register a trade name.
Source: corponline.dlcp.dc.gov official record · retrieved
  • You can register a trade name via BOSS (formerly CorpOnline). Online filers must pay by using a credit card.
Source: dlcp.dc.gov official record · retrieved
  • Trade name registration application: $55.00
  • You may file Trade Name Amendment Form TN-4. Trade name amendment application: $55.00
Source: dlcp.dc.gov official record · retrieved
  • Currently, trade name registration is valid for two years from initial registration date.
  • First renewal is by April 1st of the 2nd year from the year of registration and every two years thereafter. Trade names can be renewed after April 1st but no later than by September 1st of any given year. If trade name is not renewed by the deadline, it will be canceled on September 1st.
  • Trade name cancellation: $55.00

Publication and notice

Publication could not be confirmed for all covered entity types. No requirement or exemption is asserted.

Next steps: self-file first

First decide whether the public-facing wording is actually different from the complete legal names of the owners or from the organization's corporate name. If it is a trade name used in DC, open the official BOSS service from DLCP's registration FAQ and choose the TN-1 trade-name action. Identify the true owner of the name, complete the current questions, review the displayed $55 charge, and retain the confirmation after submission. Calendar the applicable second-year April 1 renewal date from the registration year and preserve enough lead time to resolve entity standing issues. Do not plan around the late window as the ordinary deadline: August 31 is the last late-renewal date described by DLCP, and cancellation follows September 1 when renewal is absent. Use TN-4 for a change rather than creating an unexplained duplicate record. This site never receives the proposed name, owner details, addresses, account credentials, or payment information. It supplies the official route without offering paid filing assistance or implying government affiliation.

Official sources and supporting excerptsSource: dlcp.dc.gov official record · retrieved
  • However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • Corporations Division However, if a trade name is being used in DC, it must be registered and on record with Corporations Division.
  • To register a new Trade Name, complete a TN-1 Trade Name Registration form.
  • Any entity registered/incorporated by Corporations Division can register a trade name. In addition, sole proprietors and general partnerships, can register a trade name.
Source: corponline.dlcp.dc.gov official record · retrieved
  • You can register a trade name via BOSS (formerly CorpOnline). Online filers must pay by using a credit card.
Source: dlcp.dc.gov official record · retrieved
  • Trade name registration application: $55.00
  • You may file Trade Name Amendment Form TN-4. Trade name amendment application: $55.00
Source: dlcp.dc.gov official record · retrieved
  • Currently, trade name registration is valid for two years from initial registration date.
  • First renewal is by April 1st of the 2nd year from the year of registration and every two years thereafter. Trade names can be renewed after April 1st but no later than by September 1st of any given year. If trade name is not renewed by the deadline, it will be canceled on September 1st.
  • Trade name cancellation: $55.00

Paid help, if offered later, is optional. This independent guide does not submit filings or accept government fees.

Official sources

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