What happens after a 172.332C citation for missing hazmat class ID numbers. OOS rates, CSA points, state enforcement patterns, and what to do next.
Ranks #2,295 of 3,146 FMCSR codes by citation frequency • OOS rate of 0.0% is below the FMCSR-wide average of 33.3%.
Required class or division identification number not displayed on hazmat placards.
Direct answers grounded in TruckCodex inspection data
No. Across our 13 million+ inspection records, 172.332C has never resulted in an out-of-service order. The 0.0% OOS rate for this violation means inspectors cite it as a recordable safety deficiency but do not remove your truck from service on the spot. You remain cleared to drive—but the citation itself still counts against your safety record.
This violation carries a CSA severity weight of 4. How that translates to points in your Safety Management Cycle depends on how many times you're cited within a rolling 30-day window. A single citation will add points to your Hazardous Materials BASIC; multiple citations in 30 days compound the impact. Request your current CSA score from FMCSA's Safety and Fitness Electronic Records System (SAFER) to see the exact impact on your profile.
First: verify the placard and confirm the correct class or division ID number is displayed and legible. Second: check your emergency response information and hazmat shipping papers match the placard. Our inspection data shows 172.332C often appears alongside incomplete hazmat descriptions and emergency response phone number violations—suggesting documentation gaps. Contact your carrier's hazmat coordinator and request a full hazmat procedure audit. Document your corrective steps for the citation record.
No, it is significantly less serious. While the average FMCSR code carries a 31.4% OOS rate, 172.332C has a 0.0% rate. Compare this to peer violations: general loading/unloading hazmat (177.834A-HMC) has a 99.2% OOS rate, and placarding violations (177.817(a)) hit 75.1% OOS. Your citation is a documentation deficiency, not a handling or structural hazard. Still, it signals incomplete compliance and should be corrected immediately.
Our enforcement data for the last 180 days shows this violation is rare nationally. Illinois accounts for 2 of the 3 citations we recorded, all with a 0.0% OOS rate. Only 1 citation in the last 90 days across all states. While any state DOT can cite it, Illinois inspectors have flagged it twice recently—a sign they are closely reviewing hazmat placard labeling in that jurisdiction.
Moderately urgent. This is not an emergency out-of-service level violation—we have recorded only 5 citations all-time and just 1 in the last 90 days. However, the citation is a compliance defect that will remain on your record and contribute to your Hazardous Materials BASIC score. Correct the placard ID number and verify your hazmat documentation before your next inspection to avoid a repeat citation and further CSA point accumulation.
Yes. If you believe the class or division ID number was actually displayed and legible at the time of inspection, you can challenge the citation through FMCSA's DataQs (Crash & Safety Data Quality System). Document the placard condition with photos or witness statements. Since 172.332C is a documentation/labeling finding—not a structural defect or injury claim—your evidence should focus on what the inspector saw (or didn't see) and whether the marking was genuinely missing or obscured.
Both. The violation affects your carrier's safety profile and your individual driver record if you were operating the vehicle. Under FMCSA's CSA program, hazmat compliance violations contribute to the Hazardous Materials BASIC for the carrier. If you were the hazmat operator, it may also appear in your commercial driver file. Request a copy of your record from SAFER to see exactly how it is attributed and begin remediation with your carrier's safety team.
Where 172.332C is most commonly cited (last 180 days)
Other violations commonly found on the same inspection (last 90 days)
TruckCodex aggregates official public-sector datasets. See the Source registry for dataset-level coverage and the Freshness log for last-import timestamps.
Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.
Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).
Cross-border carrier registry and Canadian recall campaigns where applicable.
TruckCodex is an independent aggregator; it is not affiliated with FMCSA, NHTSA, EIA, or Transport Canada. Always verify compliance-critical information directly with the originating agency.