New Mexico’s franchise tax is a $50 fee that corporations pay for the privilege of doing business in the state. The fee seems tiny compared to other states, but skip it and you'll face penalties that quickly add up.

This flat fee applies to both domestic New Mexico corporations and foreign corporations doing business there. Even with zero income or completely dormant operations, you still owe the $50 New Mexico franchise tax.

Here's the catch: you can't just mail a check. The franchise tax must be filed with your corporate income tax return, creating paperwork that many multistate businesses miss until penalties arrive.

Let's examine the specific requirements to ensure your business entities remain compliant.

Do you owe the New Mexico franchise tax?

In practical terms, if your organization operates as a corporation in New Mexico, you owe the $50 franchise tax. This includes C-corporations, S-corporations filing as corporations (rather than electing pass-through entity treatment), and LLCs that elected corporate tax treatment.

Each legal entity pays its own $50 franchise tax, even within corporate groups filing combined returns.

Exemptions to the franchise tax

Four types of entities are exempt from paying New Mexico’s franchise: 

1. 501(c)(3) tax-exempt organizations

2. Insurance companies already paying New Mexico's premium tax

3. Interstate rail carriers

4. Trusts meeting Section 857 requirements of the Internal Revenue Code

Partnerships, LLCs taxed as partnerships, S-corporations electing pass-through treatment, and personal service corporations choosing PTE status don't pay the franchise tax. Instead, they file the PTE Return.

How to file

The fastest route to file the franchise tax is through New Mexico's official WebFile system. You’ll select "File Corporate Income & Franchise Tax (Form CIT-1)," check your entity information, confirm the tax period, and pay the $50 fee via ACH debit or credit card. You'll receive immediate confirmation and a downloadable receipt.

New Mexico franchise tax deadlines

Your New Mexico franchise tax return is due on the 15th day of the fourth month after your tax year ends. That’s April 15 for calendar-year corporations.

For short-year returns, your deadline follows the same pattern: the 15th day of the fourth month after your short tax year ends.

Penalties for noncompliance

Miss the payment deadline? You'll face a 2% penalty for each month or partial month you're late, up to 20% of the tax owed. New Mexico also charges interest on unpaid taxes at the daily rate set by the IRS, which the state adopts each January 1st.

Short-year returns

For corporations operating less than a full year, the full $50 franchise tax is still due—it is not prorated. New Mexico requires the $50 fee for each tax year or partial year, regardless of how many months the corporation operated.

Discern helps you track New Mexico compliance

New Mexico's franchise tax filing requires coordination with your corporate income tax return and is typically handled through the state's WebFile system.

While Discern does not file New Mexico franchise taxes directly, Discern can file your New Mexico annual reports, notify you when tax obligations are due, and help you track compliance across all your entities.

Ready to simplify your multi-state compliance? Book a demo to see how Discern streamlines entity management across all 50 states and DC.