You need a New Mexico Special Fuel User Permit when your commercial vehicle:
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Operates on New Mexico highways using diesel or other special fuels, and
- Is not properly registered under IFTA or New Mexico fuel tax credentials.
Common situations where the permit is required:
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Out-of-state trucks entering New Mexico without IFTA decals
- Temporary operations or one-time trips in New Mexico
- Vehicles registered in Mexico crossing into New Mexico border zones
The temporary permit:
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Valid for 5 days, up to 3 months
- Requires a permit fee plus mileage-based fuel tax payments