Simplify Your Oversize/Overweight Loads
If the driver does not present a valid IFTA Decal or License and the vehicle is special fuel powered:
A $5.00 TEMPORARY SPECIAL FUEL PERMIT fee will be assessed. The permit is valid for up to forty-eight (48) hours (or one entry and one exit of the state).
If the driver does not present a valid IFTA Decal and Tax Identification Permit:
A special fuel tax will be assessed. The tax is currently five cents ($.05) per mile, based on the miles to be operated in New Mexico.
If the driver does not possess a valid Tax Identification Permit:
The trip tax will be assessed. The tax is based on miles to be operated in New Mexico and the total gross weight of the vehicle combination. The tax per mile is:
Gross Vehicle Weight: Tax Per Mile:
12,001 to 26,000 lbs. $0.07
26,001 to 54,000 lbs. $0.12
54,001 to 72,000 lbs. $0.15
72,001 and above $0.16
All vehicles must have a valid registration document.
Source of information: http://www.mvd.newmexico.gov/port-of-entry-information.aspx