New Mexico: Assumed-Name (DBA) Registration Requirements
The short answer
New Mexico has no general DBA-registration requirement for ordinary sole proprietors, partnerships, domestic corporations, or LLCs. A narrow Secretary of State fictitious-name filing exists for a foreign corporation seeking authority when its true corporate name conflicts with a protected name: it may file a board resolution adopting a distinguishable New Mexico name. That qualification filing has no separate publication step, stated fictitious-name fee, or fixed renewal term.
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This is the general rule in New Mexico. Ezel applies current New Mexico law to your specific facts and answers with citations to the statutes.
| Governing law and scheme | No general DBA registry. Narrow foreign-corporation qualification fallback under NMSA 1978 § 53-17-3(B)(1), not an ordinary assumed-name filing |
|---|---|
| Who must register | No ordinary business must file a general DBA. A foreign corporation whose name conflicts may use a board resolution adopting a distinguishable fictitious name as one route to qualify (§ 53-17-3) |
| Filing office | No office for a general DBA. The narrow foreign-corporation resolution is filed with the New Mexico Secretary of State as part of qualification (§ 53-17-3(B)) |
| Filing deadline | None for an ordinary DBA. A foreign corporation using the narrow fallback submits it before receiving authority and before transacting business in New Mexico (§§ 53-17-1, -3) |
| Publication requirement | None — § 53-17-3 and the official fictitious-name resolution contain no newspaper-publication step |
| Filing fee | No general DBA fee. The official foreign-corporation resolution states no separate fictitious-name fee; the underlying foreign-qualification fee is separate and outside this survey |
| Term and renewal | No fixed DBA term or renewal. The narrow foreign-corporation resolution has no stated expiration; a later unavailable corporate-name change suspends authority until the corporation changes the name or otherwise complies (§ 53-17-4) |
| Name exclusivity | No general DBA exclusivity. The narrow foreign-corporation name must not be confusingly similar to protected corporate, reserved, or registered names (§ 53-17-3(B)(1)) |
| Penalty for noncompliance | No penalty for skipping a nonexistent general DBA filing. A foreign corporation must obtain authority before transacting business, including satisfying the applicable name rule (§§ 53-17-1, -3) |
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How New Mexico handles assumed and fictitious names
New Mexico does not provide an ordinary DBA-registration route for a sole
proprietor, partnership, domestic corporation, or LLC simply because it uses a
name different from its legal name. The only current "fictitious name" filing in
the general business-corporation chapter is a narrow foreign-corporation
qualification mechanism.
Under § 53-17-3(A)(3), a foreign corporation cannot receive authority under a name
that is the same as or confusingly similar to a protected corporate, reserved,
or registered name. Under § 53-17-3(B)(1), one possible cure is to file with
the Secretary of State a board resolution adopting a fictitious name that is
not confusingly similar. The Secretary's official form confirms the limited
setting—it is a certified corporate resolution used because the corporation's
true name "was turned down" while qualifying to do business in New Mexico.
This is not a general DBA certificate. For the ordinary business using a trade
name, New Mexico sets no statewide DBA filing office, deadline, publication,
fee, term, renewal, or nonfiling penalty. Separate entity formation, foreign
qualification, tax registration, local licensing, and trademark rules remain
outside this DBA filing question.
Timing and continued compliance for the narrow foreign-corporation route
Section 53-17-1 says a foreign corporation may not transact business in New
Mexico until it has obtained a certificate of authority. The fictitious-name
resolution, when needed as the chosen name-conflict cure, therefore travels
with that qualification process before the corporation begins covered New
Mexico business.
Neither § 53-17-3 nor the official resolution states a separate publication
step, fictitious-name filing fee, expiration date, or renewal cycle. Section
53-17-4 does address a later name problem: if an authorized foreign corporation
changes to a name under which authority would not be granted, its authority is
suspended until it adopts an available name or otherwise complies.
What trips people up
- Section 53-5-1 is not a partnership fictitious-name law. Current
§ 53-5-1 says Chapter 53, Article 5 is the Corporate Reports Act. It does
not require partners to file a county DBA certificate. - The Secretary's form title is broader than its use. The linked
"Application for Fictitious Name" is actually a certified resolution for a
corporation whose true name was rejected during foreign qualification. - The foreign-corporation filing is only one name-conflict option. Section
53-17-3(B) also allows written consent plus distinguishing words or a court
decree establishing prior rights. - No fixed term does not mean the name issue can be ignored. A later
unavailable name change can suspend the foreign corporation's authority under
§ 53-17-4.
Common questions
Does a New Mexico sole proprietor file a DBA with the Secretary of State?
No general state DBA application exists for that purpose. The Secretary's
fictitious-name form is limited to a corporation qualifying under a replacement
name after its true name was rejected.
Must a partnership file under § 53-5-1?
No. Section 53-5-1 is the short-title section of the Corporate Reports Act, not
a fictitious-name certificate statute.
Does the foreign-corporation resolution require newspaper publication?
No. Section 53-17-3 and the official resolution contain no publication step.
Does the narrow filing reserve the name forever?
The statute requires the chosen fictitious name not to be confusingly similar
to protected names, but it states no fixed registration term or general
trademark-style ownership grant.
Statutes and sources
- NMSA 1978 § 53-5-1 — Chapter 53, Article 5 is the Corporate Reports Act,
not a partnership DBA statute. Official NMOneSource Chapter 53 (accessed 2026-07-25). - NMSA 1978 §§ 53-17-1 and 53-17-3 — foreign-corporation authority timing,
name-conflict rule, and the narrow fictitious-name resolution option.
Official NMOneSource Chapter 53 (accessed 2026-07-25). - NMSA 1978 § 53-17-4 — suspension after an authorized foreign corporation
changes to an unavailable name. Official NMOneSource Chapter 53 (accessed 2026-07-25). - New Mexico Secretary of State, Certified Copy of Resolution—Corporation
Adopting a Fictitious Name for Use in New Mexico — official form confirming
the foreign-corporation qualification context. Official form (accessed 2026-07-25).
Source links
Every statute quoted above, linked, with the date we checked it.
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