DOT annual inspection violations: what 49 CFR 396.17 says and how they count on your CSA score

An annual inspection violation is cited under 49 CFR 396.17, the periodic inspection rule. It is one of the most common vehicle violations on carrier records: FMCSA’s current SMS input data holds 153,789 rows for code 39617CPI and 61,856 for 39617C. Both land in the Vehicle Maintenance BASIC of your CSA record. This guide quotes the rule, the paperwork it asks for, how the Safety Measurement System (SMS) weighs the violation, and what a DataQs challenge can and cannot fix.

The annual inspection rule, word for word

49 CFR 396.17(a): “Every commercial motor vehicle must be inspected as required by this section. The inspection must include, at a minimum, the parts and accessories set forth in appendix A to this part. The term commercial motor vehicle includes each vehicle in a combination vehicle.” The rule’s own example: for a tractor, semitrailer and full trailer, “the tractor, semitrailer, and the full trailer (including the converter dolly if so equipped) must each be inspected.”

The part behind the roadside cite is 396.17(c): “A motor carrier must not use a commercial motor vehicle … unless each component identified in appendix A to this part has passed an inspection in accordance with the terms of this section at least once during the preceding 12 months and documentation of such inspection is on the vehicle.” The documentation may be:

• “The inspection report prepared in accordance with § 396.21(a)”, or
• “Other forms of documentation, based on the inspection report (e.g., sticker or decal)”, which show the date of inspection; the name and address of the carrier or other entity where the inspection report is kept; information identifying the vehicle, if it is not clearly marked on the vehicle; and “a certification that the vehicle has passed an inspection in accordance with § 396.17.”

So 396.17(c) asks for two things at once: a passed inspection in the preceding 12 months, and proof of it on the vehicle.

State inspection programs

396.17(f): “Vehicles passing periodic inspections performed under the auspices of any State government or equivalent jurisdiction in the Canadian Provinces, the Yukon Territory, and Mexico, meeting the minimum standards contained in appendix A to this part, will be considered to have met the requirements of an annual inspection for a period of 12 months commencing from the last day of the month in which the inspection was performed.”

Note the different clock. A state program inspection runs 12 months from the end of the month it was done in. And under 396.23(a)(1), where a vehicle is subject to a mandatory state program that FMCSA has found as effective as 396.17, the carrier “must meet the requirement of § 396.17 through that inspection program.”

Who may do the inspection, and the record it leaves

• The carrier or its agent. A carrier may inspect its own vehicles (396.17(d)), or have “a commercial garage, fleet leasing company, truck stop, or other similar commercial business” do it as its agent (396.17(e)). Either way the inspector must be qualified under 396.19, by a training certificate or at least one year of training or experience, and the carrier keeps proof of that qualification.
• The report. Under 396.21(a) the inspector’s report identifies the inspector, the motor carrier, the date, the vehicle, and the components inspected with the results, and “certifies the accuracy and completeness of the inspection”.
• Fourteen months. 396.21(b)(1): the original or a copy of the report “shall be retained … for a period of fourteen months from the date of the inspection report”, where the vehicle is housed or maintained. If someone else did the vehicle’s last annual inspection, the carrier is responsible for obtaining the original or a copy on demand (396.21(b)(3)).

How an annual inspection violation counts

• Which BASIC. The 396.17 codes are in the Vehicle Maintenance BASIC, which uses violations from vehicle inspections (Levels 1, 2, 5 and 6) in the past 24 months.
• Severity. In FMCSA’s current SMS data, 39617CPI (“Operating a CMV without documentation of a periodic inspection”) and 39617C (“Operating a CMV without proof of a periodic inspection”) are both in the “Inspection Reports” group at severity 4. Because both carry 4, changing one code for the other does not change the points. A citation that ends in a conviction on a different charge drops to severity 1 (see your ticket was dismissed in court).
• Rarely out of service. In the same data, 14 of the 153,789 rows for 39617CPI and 35 of the 61,856 rows for 39617C are marked out of service. When one is, it adds 2. More on that: out-of-service violations and your CSA score.
• Same code, one count. In the Vehicle Maintenance BASIC, “in cases of multiple counts of the same violation, the SMS uses each violation cite only once per inspection.” Different codes count separately, and the total severity on one inspection in one BASIC is capped at 30.
• Time weight. The severity is multiplied by 3 for a violation in the last 6 months, 2 from 6 to 12 months, and 1 from 12 to 24 months. After 24 months it no longer counts.

Worked example (a hypothetical inspection, arithmetic on the rules above). Two months ago an officer cites 39617CPI on the tractor and again on the trailer, neither out of service. The same code on one inspection is used once, so that is 4 × a time weight of 3 = 12 toward your Vehicle Maintenance measure, not 24. Thirteen months after the inspection it counts 4 × 1 = 4. The measure divides these points by the time weight of all your relevant vehicle inspections, clean ones included; see what is a CSA score?

Before you challenge: what a reviewer can act on

1. Check the unit and the carrier are yours. Match the VIN, plate and unit number on the report against your registrations and leases. If the vehicle belongs to another carrier, that is a different request: an inspection on your record that isn’t yours.
2. Check which unit was cited. Each vehicle in a combination needs its own annual inspection. The report for the tractor does not answer a cite on the trailer, and the other way round. Match the unit on the cite to the unit on your annual inspection report.
3. Check the dates. Put the date of the last annual inspection next to the date of the roadside inspection. For a carrier or agent inspection, it must fall within the preceding 12 months. For a state program inspection, the 12 months run from the last day of the month it was done in. An annual inspection done after the roadside inspection does not change what was true that day.
4. Be exact about what your documents prove. An annual inspection report dated inside the window shows the vehicle passed an inspection. The cite says the documentation was not on the vehicle. If the report or decal was on the vehicle at the roadside, say so plainly, attach it, and have the driver give his own account of where it was. A report that does not say where the officer looked is not a defect by itself: the reviewer can ask the officer.
5. Count the repeats. Because one code counts once per inspection, clearing the cite on one unit while the same code stands on another unit leaves the violation at full weight. Every instance has to be wrong, each for its own documented reason.
6. File it properly. A request that carries its own proof, attached on the first submission: how to dispute a DOT violation and file a DataQ.

If none of these applies and the report is accurate, a challenge will not remove the violation. It loses weight at 6 and 12 months and stops counting at 24. The cheaper fix is ahead of time: an annual inspection on every unit, with the report or decal kept on the vehicle.

Sources

• 49 CFR 396.17, Periodic inspection (eCFR, current to 30 October 2026; section last amended 14 October 2021): paragraphs (a), (c), (d), (e) and (f), quoted above.
• 49 CFR 396.19, Inspector qualifications, 49 CFR 396.21, Periodic inspection recordkeeping requirements and 49 CFR 396.23, Equivalent to periodic inspection (eCFR, current to 30 October 2026).
• FMCSA, Safety Measurement System (SMS) Methodology, Version 3.21 (methodology revised May 2026): Vehicle Maintenance BASIC, pp. 3-13 to 3-15 (vehicle inspection Levels 1, 2, 5 and 6, one cite per inspection, OOS weight of 2, cap of 30, time weights).
• FMCSA, “SMS Input – Violation” dataset, data.transportation.gov: the violation codes beginning 3961 and 3962, their descriptions, BASIC, violation group, severity weight and out-of-service flag, read 3 November 2026.