Interest and Penalties for an Unpaid New Mexico Trip Permit Tax
Table Of Contents
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Introduction
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The Short Answer
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What the Trip Tax Is
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Interest on Unpaid Trip Tax
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The Negligence Penalty
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The Fraud Penalty
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What Interest and Penalties Do Not Include
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Example: How the Costs Add Up
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How to Avoid Interest and Penalties
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Common Mistakes to Avoid
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Why Many Trucking Companies Choose Our Service
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FAQ
Introduction
The trip tax on a New Mexico Trip Permit is usually a small amount. A few cents per mile doesn't seem worth worrying about, so some carriers treat it as something they can sort out later.
That can get expensive. New Mexico law adds interest to trip tax that isn't paid on time, and it adds penalties on top, including a much larger penalty if the state finds intent to defraud. This guide explains each charge, how it's calculated, and how to avoid it.
The Short Answer
Under Section 7-15-4 NMSA 1978, unpaid trip tax can carry:
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Interest of 15% a year, computed at 1.25% per month or any fraction of a month,
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A negligence penalty of 2% per month, up to 10% of the tax, with a $5 minimum,
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A fraud penalty of 50% of the tax or $25, whichever is greater.
The simplest way to avoid all three is to have your New Mexico Trip Permit before your truck enters the state.
What the Trip Tax Is
Under Section 7-15-3.1 NMSA 1978, the trip tax is a use fee on each trip made in New Mexico by a foreign-based commercial motor carrier vehicle. It is charged in lieu of registration fees and the weight distance tax.
The tax is figured per mile, from the point of entering New Mexico to the destination or the point of leaving the state:
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Over 12,000 up to 26,000 lbs: 7 cents per mile
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Over 26,000 up to 54,000 lbs: 12 cents per mile
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Over 54,000 up to 72,000 lbs: 15 cents per mile
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Over 72,000 lbs: 16 cents per mile
According to the New Mexico Taxation and Revenue Department, the Motor Transportation Police Division (MTPD) collects the tax and issues trip permits, and "the tax is typically paid at a Port of Entry."
Interest on Unpaid Trip Tax
Section 7-15-4(A) says that if any trip tax is not paid when due, interest is owed from the date the tax becomes due until it is paid.
Key points from the law:
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The rate is 15% a year, computed at 1.25% per month or any fraction of a month. One day late counts as a full month.
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If the interest due is less than $1.00, no interest is owed.
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The law does not charge interest on interest or interest on penalties.
The Negligence Penalty
Section 7-15-4(B) applies when the tax isn't paid because of negligence or disregard of rules and regulations, but without intent to defraud.
In that case, the state adds a penalty of:
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2% per month, or any fraction of a month, from the due date until payment,
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With a maximum of 10% of the tax,
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And a minimum of $5.00.
Because trip tax amounts are often small, the $5 minimum is the amount many carriers will actually see.
The Fraud Penalty
Section 7-15-4(C) covers failure to pay with intent to defraud the state. The penalty is 50% of the tax or a minimum of $25.00, whichever is greater.
That means even a small trip tax bill can carry a $25 penalty if the state finds the carrier tried to avoid the tax on purpose.
What Interest and Penalties Do Not Include
Section 7-15-4 sets the money charges on unpaid tax. It doesn't cover the other costs of running without a New Mexico Trip Permit, such as:
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Time lost at a port of entry while credentials are sorted out,
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Missed delivery appointments,
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Other permits the truck may also need, such as a fuel permit.
For most carriers, these practical costs are bigger than the penalty itself.
Example: How the Costs Add Up
A 60,000-pound truck runs 370 miles across New Mexico on I-40. The trip tax is 15 cents x 370 = $55.50. Here is what the law would add if that tax were paid 3 months late:
| Charge | How It's Figured | Amount |
|---|---|---|
| Trip tax | 370 miles x $0.15 | $55.50 |
| Interest | 1.25% x 3 months | $2.08 |
| Negligence penalty | 2% x 3 months = $3.33, raised to the $5 minimum | $5.00 |
| Fraud penalty (instead of negligence) | 50% of $55.50, more than $25 | $27.75 |
The negligence and fraud penalties are separate cases. A carrier would face one or the other, not both.
How to Avoid Interest and Penalties
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Check if You Need a Permit. Trucks over 12,000 pounds used commercially and not registered for New Mexico usually do.
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Estimate the Tax. Use your weight and the miles from entry to destination or exit.
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Get the Permit Before Entry. Don't wait until after the trip.
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Keep Records. Save your permit and receipt for each trip.
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Use a Prepaid Permit if It Fits. Under Section 7-15-3.1, prepaid trip permits are available for custom harvesting, trips between New Mexico and Mexico, and vehicles that can't declare a destination at entry.
Common Mistakes to Avoid
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Thinking a small tax means small risk. The $5 and $25 minimums apply even to small bills.
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Paying "later." Interest runs from the due date, and any part of a month counts as a full month.
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Ignoring the 12,000-pound threshold. Lighter trucks can owe trip tax too.
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Guessing the weight tier. The rate depends on gross weight with the load.
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Confusing the trip permit and fuel permit. They are separate credentials.
Why Many Trucking Companies Choose Our Service
New Mexico Trucking Online helps you get your New Mexico Trip Permit before your truck reaches the border, so you never have to deal with late interest or penalties. We check your truck's weight and route and make sure your permit is ready on time.
Our service fee pricing:
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1-2 Trucks: $97
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3-4 Trucks: $197
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5-6 Trucks: $297
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7-8 Trucks: $397
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9-10 Trucks: $497
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11+ Trucks: Contact Us directly!
We provide support 24/7 and also work weekends and holidays.
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FAQ
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What interest does New Mexico charge on unpaid trip tax?
15% a year, computed at 1.25% per month or any fraction of a month.
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What is the penalty for paying trip tax late by mistake?
2% per month, up to 10% of the tax, with a $5 minimum.
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What if the state finds intent to defraud?
The penalty is 50% of the tax or $25, whichever is greater.
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Is interest charged on penalties?
No. The law doesn't impose interest on interest or interest on penalty.
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Where is the trip tax paid?
It is typically paid at a port of entry and collected by the Motor Transportation Police Division.
For more information, visit the New Mexico Taxation and Revenue Department.