Annual DOT Inspection Due Date Calculator
Free ToolCalculate exactly when each commercial vehicle's annual DOT inspection expires. Track up to 10 trucks in a free fleet dashboard — with email alerts at 60 and 30 days before each vehicle is due.
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COMPLIANCE RISK
What Happens If Your Annual DOT Inspection Expires?
There is no federal grace period. The day after expiry, the vehicle is in violation of FMCSA §396.17 and subject to an immediate out-of-service order at any roadside inspection.
Out-of-service order — vehicle cannot move
A DOT officer will issue an immediate out-of-service order under North American Standard Out-of-Service Criteria. The vehicle must stop operating until a new annual inspection is completed. No grace period exists under FMCSA §396.17.
CSA Vehicle Maintenance BASIC score violation
An expired annual inspection found at roadside adds CSA severity weight points against your Vehicle Maintenance BASIC score. Accumulating points in this category triggers FMCSA compliance review and directly increases your commercial insurance premiums.
Civil penalties for carrier and driver
Operating a commercial vehicle with an expired annual inspection exposes both the carrier and driver to civil penalties under 49 CFR §396.17. Carriers can face fines of $1,000 to $16,000 per violation per day, compounding rapidly if the violation is ongoing.
Automatic violation in FMCSA DOT audits
FMCSA auditors review annual inspection records for every vehicle in your fleet during compliance reviews (CRs) and new entrant safety audits. An expired inspection is an automatic adverse finding — there is no cure unless a current inspection report is on file.
Potential commercial insurance exposure
Commercial auto insurers increasingly review FMCSA SMS data before renewals. A pattern of inspection violations on your CSA record can result in premium increases or coverage changes at renewal.
Zero tolerance under federal regulations. Unlike some driver license renewals, the annual vehicle inspection has no grace period. Use the calculator above to know your exact expiry date — and set reminders now to avoid a costly out-of-service order. Also see our FMCSA Out-of-Service Risk Assessment to identify your highest-risk vehicle issues before inspection day.
The 12-Month Rule — How Annual DOT Inspection Expiry Actually Works
Most carriers get this wrong. "Annual" does not mean 365 days from the exact date of inspection. Under FMCSA 49 CFR §396.17, the inspection expires on the last day of the 12th calendar month after the month of inspection.
Example A — Mid-month inspection
Example B — End-of-month inspection
What the inspection sticker must show
Per FMCSA official guidance on §396.17 (Q&A #2), the inspection sticker must display the date the inspection was performed — consisting of the month and year — not the date the next inspection is due. Displaying the next due date instead of the inspection date is itself a violation. This is a common source of confusion for new carriers.
Read FMCSA official guidance on §396.17 sticker requirements →What Is Inspected — 49 CFR Part 396, Appendix G
Every annual DOT inspection covers 13 major systems defined in 49 CFR Part 396, Appendix G. A failure in any of these areas results in either a required repair before the vehicle can be certified or an immediate out-of-service condition.
Brake systems
Service brakes, parking brakes, brake hoses, air system
Coupling devices
Fifth wheel, pintle hook, drawbars, safety chains
Exhaust system
No leaks, proper routing, secure mounting
Fuel system
Tanks, lines, caps — no leaks
Lighting devices
All required lights and reflectors operational
Safe loading
Cargo properly secured, no overloading
Steering mechanism
Steering wheel, steering column, gear box
Suspension
Springs, shocks, axles, wheel bearings
Frame
Structural integrity, no cracks or rust-through
Tires
Tread depth, sidewall condition, inflation
Wheels and rims
No cracks, missing lugs, or improper welds
Windshield glazing
No prohibited cracks, clear field of view
Windshield wipers
Operational, adequate contact
Source: 49 CFR Part 396, Appendix G — Minimum Periodic Inspection Standards. Brakes are the single most common out-of-service violation — see our Brake Inspection Compliance Checker to assess your brake condition before inspection day.
About This Annual DOT Inspection Calculator
This tool is built and maintained by TruckComplianceHQ, a DOT compliance software company serving US trucking fleets and owner-operators. The 12-month expiry logic is based on FMCSA 49 CFR §396.17 and official FMCSA guidance confirming that expiry falls on the last day of the 12th calendar month following inspection. CSA severity weights are sourced from the FMCSA SMS methodology documentation.
Last verified: March 2026. This tool is provided for informational purposes only. Always verify requirements with a qualified DOT compliance professional and your state motor carrier authority.
Annual DOT Inspection — Frequently Asked Questions
How long is an annual DOT inspection good for?
An annual DOT inspection is valid for 12 calendar months under FMCSA 49 CFR §396.17. The expiration is the last day of the 12th month after the inspection was performed — not exactly one year to the day. For example, an inspection performed on March 15, 2025 expires on March 31, 2026 — the last day of March 2026, not March 15, 2026. This is the "last day of the month" rule under §396.17.
When does an annual DOT inspection expire?
An annual DOT inspection expires on the last day of the 12th calendar month following the month of inspection under FMCSA 49 CFR §396.17. The inspection sticker must show the month and year of inspection — not the next due date. So an inspection in June 2024 expires June 30, 2025. The due date is the last day of the 12th month, not the anniversary of the exact inspection date.
What happens if a commercial truck's annual DOT inspection expires?
If a commercial vehicle's annual DOT inspection expires, the vehicle is in violation of FMCSA 49 CFR §396.17. At any roadside inspection, a DOT officer will issue an out-of-service order under the North American Standard Out-of-Service Criteria. The vehicle cannot move until a new annual inspection is completed. Additionally, the violation adds CSA severity weight points to the carrier's Vehicle Maintenance BASIC score, which can trigger FMCSA compliance reviews and increase insurance premiums. Civil penalties can apply to both the driver and the carrier.
Who can perform an annual DOT inspection?
An annual DOT inspection must be performed by a qualified inspector who meets the requirements of 49 CFR Part 396, Appendix G. A qualified inspector must have knowledge and ability to inspect the vehicle systems listed in Appendix G and must understand the criteria that determine whether a vehicle should be placed out of service. This is typically a certified mechanic, a state-licensed vehicle inspector, or a commercial inspection facility. An inspection performed by someone who does not meet Appendix G criteria is invalid and carries the same compliance exposure as no inspection at all.
Does the inspection sticker show the inspection date or the next due date?
Under FMCSA guidance (§396.17, Q&A #2), the annual inspection sticker or decal must show the date the inspection was performed — not the date the next inspection is due. The inspection date consists of the month and year of inspection. The due date for the next inspection is calculated by adding 12 calendar months and expiring on the last day of that month. Showing the next due date instead of the inspection date on the sticker is a violation of §396.17.
How long must annual DOT inspection records be kept on file?
Under FMCSA 49 CFR §396.21, carriers must retain the annual inspection report for 14 months from the date of inspection. The inspection report must be kept at the principal place of business or at a location where the vehicle is regularly dispatched. The inspection sticker on the vehicle serves as proof of compliance during roadside inspections — but the full written report must be available for FMCSA auditors.
What is the DOT annual inspection 12-month rule?
The 12-month rule under FMCSA §396.17 means that a commercial vehicle must be inspected at least once every 12 calendar months. The inspection expires at the end of the 12th calendar month following the inspection month — specifically the last day of that month. So "annual" does not mean every 365 days — it means every 12 calendar months, with the expiry falling on the last day of the 12th month. This distinction matters: a vehicle inspected on January 31 and one inspected on January 1 both expire on January 31 of the following year.
Can I track annual DOT inspection due dates for my entire fleet?
Yes — this free tool tracks annual DOT inspection due dates for up to 10 vehicles simultaneously. Enter the date of last inspection for each vehicle to see a color-coded fleet dashboard showing which vehicles are current, due soon, or overdue. You can also sign up for free email reminders at 60 and 30 days before each vehicle's inspection is due. For fleets larger than 10 vehicles, TruckComplianceHQ offers a paid fleet compliance dashboard that tracks unlimited vehicles and sends automatic daily alerts.
Annual DOT Inspection — Key Facts for Fleet Managers
Last verified: March 2026. Source: FMCSA 49 CFR §396.17, §396.21, and Appendix G to Part 396. Always confirm with your state motor carrier authority and a qualified DOT compliance professional.
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