Is an LLC operating agreement required in New Mexico?

This page has not confirmed whether New Mexico law requires an LLC to have an operating agreement, so it does not answer yes or no. A written agreement signed by every member is worth having either way. It records who owns what share of the LLC, who makes decisions, and how profits are divided. To learn what New Mexico requires, check the website of the state agency that registers LLCs in New Mexico, or ask a business attorney licensed in New Mexico.

Can I write my own LLC operating agreement in New Mexico?

Yes, you can write your own New Mexico LLC operating agreement. It should cover each member's ownership share, voting rights, how profits are divided and how the LLC is closed down, because the default rules in New Mexico's LLC law can apply where the agreement is silent. Read the guidance for LLCs on the website of the state agency that registers them in New Mexico, and consider having a business attorney licensed in New Mexico review your draft before the members sign it.

Does a New Mexico LLC operating agreement need to be notarized?

This page has not confirmed whether New Mexico law asks for an operating agreement to be notarized. Have every member sign and date it and keep it with the LLC's records. A bank or lender may ask for notarized signatures, so ask before you sign.

What happens if my New Mexico LLC doesn't have an operating agreement?

Without an operating agreement, members have no written terms to settle a disagreement. Where the members have no agreement on a point, the default rules in New Mexico's LLC law can apply instead. Read the guidance for LLCs on the website of the state agency that registers them in New Mexico before you draft the agreement.

Can I amend my New Mexico LLC operating agreement after it's created?

Yes. An operating agreement can be changed by following the amendment procedure it sets out, such as a vote or the written consent of the members it names. If the agreement says nothing about amendments, the default rules in New Mexico's LLC law can apply, so check them, or ask a New Mexico business attorney, before you change a term. Put each amendment in writing, have the members sign it, and keep it with the agreement. To amend the LLC's Articles of Organization on file with the state, New Mexico uses a separate filing, the Articles of Amendment.

New Mexico LLC Operating Agreement: What to Include

What to put in an operating agreement for your New Mexico LLC, and how single-member and multi-member agreements differ.

By Edmond Hui · Last updated: October 2026

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Key sections of a New Mexico LLC operating agreement, listing the 7 provisions the document should cover. — What a New Mexico operating agreement should contain, section by section. Source: New Mexico Secretary of State.

What to Include in Your Operating Agreement

Ownership & membership

Define each member's ownership percentage and capital contributions. This section establishes who owns what portion of the LLC and their financial stake in the business.

Management structure

Specify whether your LLC is member-managed or manager-managed and outline decision-making authority. This prevents confusion about who has the power to bind the company in contracts and daily operations.

Voting rights

Establish how business decisions are made, including voting thresholds for major decisions. Clear voting procedures prevent deadlocks and ensure smooth business operations.

Profit/loss allocation

Detail how profits and losses are distributed among members and when distributions occur. This section matters for tax reporting and member expectations about returns.

Member duties

Define each member's responsibilities, time commitments, and restrictions on competing activities. Setting clear expectations prevents conflicts and protects business interests.

Dissolution process

Outline the procedures for dissolving the LLC, including asset distribution and member buyout terms. Having a clear exit strategy protects all parties if the business ends or members leave.

Amendment procedures

Establish how changes to the operating agreement can be made and what approval is required. This ensures the agreement can evolve with your business while maintaining proper oversight.

Read this guide for another state:

Frequently Asked Questions

: This page has not confirmed whether New Mexico law requires an LLC to have an operating agreement, so it does not answer yes or no. A written agreement signed by every member is worth having either way. It records who owns what share of the LLC, who makes decisions, and how profits are divided. To learn what New Mexico requires, check the website of the state agency that registers LLCs in New Mexico, or ask a business attorney licensed in New Mexico.
: Yes, you can write your own New Mexico LLC operating agreement. It should cover each member's ownership share, voting rights, how profits are divided and how the LLC is closed down, because the default rules in New Mexico's LLC law can apply where the agreement is silent. Read the guidance for LLCs on the website of the state agency that registers them in New Mexico, and consider having a business attorney licensed in New Mexico review your draft before the members sign it.
: This page has not confirmed whether New Mexico law asks for an operating agreement to be notarized. Have every member sign and date it and keep it with the LLC's records. A bank or lender may ask for notarized signatures, so ask before you sign.
: Without an operating agreement, members have no written terms to settle a disagreement. Where the members have no agreement on a point, the default rules in New Mexico's LLC law can apply instead. Read the guidance for LLCs on the website of the state agency that registers them in New Mexico before you draft the agreement.
: Yes. An operating agreement can be changed by following the amendment procedure it sets out, such as a vote or the written consent of the members it names. If the agreement says nothing about amendments, the default rules in New Mexico's LLC law can apply, so check them, or ask a New Mexico business attorney, before you change a term. Put each amendment in writing, have the members sign it, and keep it with the agreement. To amend the LLC's Articles of Organization on file with the state, New Mexico uses a separate filing, the Articles of Amendment.

Sources

3 documents

Each entry below is a document recorded in our verified New Mexico sources, and each entry says what the document is. Some statutory text is read from an accurate mirror rather than from the state's own host, and those say so. Where we hold the citation but no stable public link, the citation is printed on its own rather than pointed at a guessed address.

New Mexico statute: NMSA 1978, Section 53-19-1 et seq. (LLC Act)
New Mexico statute: NMSA 1978, chapter 53, article 19 (Limited Liability Company Act)
sos.nm.gov/business-services/New Mexico Secretary of State: business entity filings

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Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.

How we check facts

What to Include in Your Operating Agreement

Ownership & membership

Management structure

Voting rights

Profit/loss allocation

Member duties

Dissolution process

Amendment procedures

Frequently Asked Questions

Sources

More for New Mexico LLCs

Start and set up

Taxes, money and growth

Stay compliant

Operate in other states

Compare structures

By owner type

By profession

Ready to Form Your New Mexico LLC?

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