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MSMississippi trucking compliance
Mississippi (MS) Trucking Compliance: Filings, Registrations & Permits
✦ The quick answer
Mississippi-based motor carriers must keep their federal filings current (USDOT/MCS-150, UCR, IFTA, IRP, and Form 2290 HVUT) and handle apportioned registration, IFTA, and most permits through the Mississippi Department of Revenue (DOR). Mississippi has no separate weight-distance or highway-use tax, so IFTA fuel reporting and standard apportioned registration cover most carriers.
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What Mississippi requires
UCR
The Unified Carrier Registration (UCR) is an annual federal program administered by the states, and Mississippi participates. If you operate commercial motor vehicles in interstate commerce, you must register and pay the UCR fee every year. Your fee bracket is based on the total number of power units (trucks/tractors) in your fleet, not a flat per-truck rate. UCR registration opens in the fall for the following calendar year, and enforcement typically begins January 1. Brokers, freight forwarders, and leasing companies without trucks pay the smallest bracket. We help you confirm your correct fleet-size bracket, prepare an accurate registration, and validate the details before you submit it through the official UCR system. Always verify the current-year fee amounts on the official UCR site, since brackets are set annually.
Form 2290 (HVUT)
Form 2290 and the Heavy Vehicle Use Tax (HVUT) are federal, filed with the IRS, but they matter in Mississippi because the state will not register or renew a qualifying heavy vehicle without proof of payment (a stamped Schedule 1). HVUT applies to vehicles with a taxable gross weight of 55,000 lbs or more. The tax for a vehicle at 55,000 lbs is $100, plus $22 for each additional 1,000 lbs over 55,000, up to a maximum of $550 for vehicles at 75,000 lbs and above. The HVUT period runs July 1 through June 30. For vehicles in use at the start of the period in July, the deadline to file is August 31. For a newly acquired or first-used vehicle, the deadline is the last day of the month after the month you first put it on the road. We help you calculate the correct taxable gross weight, prepare Form 2290, and validate your entries so your Schedule 1 comes back clean for your Mississippi registration.
MCS-150
Your USDOT number and the MCS-150 form are how FMCSA tracks your carrier identity, fleet size, mileage, and operation type. Every interstate carrier and many intrastate Mississippi carriers need a USDOT number, and the MCS-150 must be updated at least every two years (the biennial update) on a schedule tied to your USDOT number. Missing the biennial update can deactivate your USDOT number and put your operating authority at risk. Mississippi also requires intrastate carriers over certain weight thresholds to obtain and maintain a USDOT number. We help you keep your MCS-150 accurate (mileage, power-unit count, contact details), guide you through the biennial update timing based on your USDOT number, and validate the data before you file it with FMCSA.
IFTA
Mississippi is a member of the International Fuel Tax Agreement (IFTA). If you operate qualified motor vehicles across state lines, you base your IFTA license in Mississippi (your base jurisdiction) and file a single quarterly fuel tax return covering all member states and provinces. A qualified vehicle generally has two axles and a gross weight over 26,000 lbs, three or more axles regardless of weight, or is used in combination over 26,000 lbs. Mississippi IFTA is administered by the Mississippi Department of Revenue (Title and Registration / Motor Vehicle Licensing), which issues your license and decals. You then report total miles traveled and fuel purchased per jurisdiction each quarter so taxes net out correctly. Quarterly returns are due the last day of the month following each quarter: April 30, July 31, October 31, and January 31. Keep detailed mileage and fuel-purchase records. We help you organize trip and fuel data, calculate your quarterly figures, and validate the return before you file it with the Mississippi Department of Revenue.
IRP
The International Registration Plan (IRP) lets you register your trucks once in Mississippi and get apportioned plates valid in all member jurisdictions, with registration fees split based on the miles you run in each state or province. Mississippi IRP is handled through the Mississippi Department of Revenue's Motor Vehicle Licensing Bureau. You'll report your fleet's distance by jurisdiction (actual miles for renewals, or estimated miles for a brand-new operation), and your Mississippi apportioned credentials and cab card list every jurisdiction you're authorized to run in. IRP and IFTA are separate programs but both rely on accurate mileage records, so good recordkeeping serves both. We help you assemble your jurisdiction mileage, prepare your IRP application or renewal, and validate it before you submit to the state.
Permits
Beyond the core federal programs, Mississippi carriers may need state-specific credentials. Intrastate for-hire motor carriers (hauling only within Mississippi) register with the Mississippi Public Service Commission (PSC), which oversees intrastate motor-carrier authority and insurance-filing requirements. Oversize or overweight loads require a permit from the Mississippi Department of Transportation (MDOT) permit office, and certain routes, heights, or weights need designated routing, additional clearance, or escorts. Trip permits and temporary fuel permits are available for vehicles not registered under IRP or IFTA that need to travel through or into Mississippi on a short-term basis. Carriers transporting hazardous materials or operating for hire intrastate have added registration and insurance obligations. We help you identify which Mississippi permits and authority types apply to your operation, prepare the paperwork, and validate it. Always confirm current requirements and fees directly with MDOT, the Mississippi PSC, and the Mississippi Department of Revenue before you rely on them.
Mississippi-specific requirements
Mississippi does NOT impose a separate weight-distance or highway-use tax: unlike New York (NY HUT), Kentucky (KYU), New Mexico, and Oregon, there is no extra per-mile mileage tax return for Mississippi miles, so IFTA fuel reporting and apportioned IRP registration cover most carriers. What is distinctive in Mississippi is how the programs are split across agencies: the Mississippi Department of Revenue (DOR) handles IFTA fuel tax, IRP apportioned registration, and trip/temporary fuel permits, while the Mississippi Public Service Commission (PSC) regulates intrastate for-hire motor-carrier authority and insurance filings, and MDOT issues oversize/overweight permits. Mississippi runs roadside enforcement and weigh stations along its major freight corridors and has historically operated port-of-entry style weigh/inspection facilities, so carriers should keep apportioned plates, the cab card, IFTA decals, and the stamped 2290 Schedule 1 in the cab. Mississippi sits at a key Gulf-region and Mississippi River crossroads anchored by I-10, I-20, I-55, and I-59 and ports such as Gulfport and the river ports, making drayage, agricultural, and timber/forest-products hauling common, with seasonal harvest and forest-product weight-tolerance rules that can affect loads. If you run into NY, KY, NM, or OR, you will still owe those states' weight-distance taxes even though Mississippi itself does not charge one. Confirm current rules with the Mississippi DOR, PSC, and MDOT.
Mississippi compliance calendar
JanuaryUCR enforcement begins for the new year; Q4 IFTA fuel tax return due January 31.
AprilQ1 IFTA fuel tax return due April 30.
JulyNew HVUT period begins July 1; Q2 IFTA fuel tax return due July 31.
AugustForm 2290 HVUT deadline (August 31) for vehicles in use during July.
OctoberQ3 IFTA fuel tax return due October 31; UCR registration typically opens for the next year.
OngoingMCS-150 biennial update due on the schedule tied to your USDOT number; IRP/IFTA renewals on your assigned cycle.
Frequently asked questions
Does Mississippi have a weight-distance or highway-use tax like New York or Kentucky?+
No. Mississippi does not charge a separate weight-distance or highway-use tax. Your fuel taxes are handled through your quarterly IFTA return. However, if you drive in New York (HUT), Kentucky (KYU), New Mexico, or Oregon, you must still file and pay those states' weight-distance taxes for the miles you run there.
Who handles IFTA and IRP in Mississippi?+
The Mississippi Department of Revenue (Motor Vehicle Licensing / Title and Registration) administers both IFTA fuel tax licensing and IRP apportioned registration. Intrastate for-hire operating authority falls under the Mississippi Public Service Commission, and oversize/overweight permits come from MDOT. We can help you prepare filings for each; confirm specifics with the relevant agency.
How much is the Form 2290 Heavy Vehicle Use Tax?+
For a vehicle with a taxable gross weight of 55,000 lbs, the HVUT is $100. Add $22 for each additional 1,000 lbs over 55,000, up to a maximum of $550 for vehicles at 75,000 lbs or more. The tax period runs July 1 to June 30, and the filing deadline for vehicles used in July is August 31. Mississippi needs your stamped Schedule 1 to register the vehicle.
When are my Mississippi IFTA returns due?+
IFTA fuel tax returns are due quarterly: April 30, July 31, October 31, and January 31 for the preceding quarter. You file one return with the Mississippi Department of Revenue covering all member jurisdictions. Keep detailed mileage and fuel-purchase records, because that data drives the return.
Do I need a permit to run an oversize or overweight load in Mississippi?+
Yes. Loads that exceed Mississippi's legal size or weight limits require an oversize/overweight permit from the Mississippi Department of Transportation (MDOT), and some loads need designated routing or escorts. Mississippi also has special weight-tolerance provisions for certain agricultural and forest products. Requirements and fees vary by dimensions and route, so confirm current details with MDOT. We can help you prepare and validate the application.
Do I need a trip or fuel permit to drive through Mississippi without IRP or IFTA?+
If your vehicle is not registered under IRP or licensed under IFTA, Mississippi offers temporary trip permits and fuel permits so you can travel legally on a short-term basis. These are administered through the Mississippi Department of Revenue. Verify the current permit types, validity, and fees with the state before you rely on them. We can help you prepare and validate the paperwork.
Is QuickTruckTax a filing service that submits my forms?+
No. QuickTruckTax helps you understand, prepare, and validate your filings, but it does not submit forms to the IRS, FMCSA, or any state agency on your behalf. We guide you so your paperwork is accurate and complete, and you file it through the official channels. This is general guidance, not legal or tax advice; always confirm with the relevant agency.
How this works: QuickTruckTax helps you understand, prepare, and validate your filing. We are not a filing service and never submit forms on your behalf — you always do the final review and submission. Figures here are estimates for guidance only and are not legal or tax advice. Confirm current rules, fees, and deadlines with the IRS, FMCSA, or your state agency.