Get straight answers about FMCSR 387.31B3II citations. Out-of-service risk, next steps, and how this violation compares to others—all backed by 13M+ inspection records.
Ranks #2,113 of 3,146 FMCSR codes by citation frequency • OOS rate of 0.0% is below the FMCSR-wide average of 33.3%.
No insurance ID card (MCS-90B) - Mexican Passenger Carrier
Direct answers grounded in TruckCodex inspection data
No. Across our inspection database, 387.31B3II has never resulted in an out-of-service order—the OOS rate is 0.0%. All 14 citations on record resulted in citations only, no vehicle removal. This code is not OOS-eligible under FMCSR enforcement rules. That said, fix the underlying issue promptly to avoid follow-up violations.
This is a low-severity administrative citation. The 0.0% out-of-service rate is well below the all-FMCSR average of 31.4%. Among peer codes in the General/Admin category, similar violations like 390.21TB2-DOT and 390.21T(b) also carry 0.0% OOS rates. This citation does not trigger immediate vehicle removal, but address the compliance gap to prevent escalation.
No. This code ranks #2083 out of 3,036 FMCSR codes by citation volume. We've recorded 14 all-time citations in our database and just 8 in the last 12 months. Across the most recent 90 days, there were zero citations. It's an uncommon violation, which suggests it's either narrowly applied or reflects a specific administrative gap.
Our data shows 2 citations in Texas over the last 180 days, the only state with recorded enforcement for this code. That doesn't mean 387.31B3II is exclusive to Texas—it reflects the rarity of this violation nationwide. Most states and inspection types won't encounter it regularly.
Yes. If you believe the citation is factually incorrect or based on a documentation error, you can file a DataQs (FMCSA Roadside Data Quality) challenge within 90 days of the inspection. You'll need to submit evidence—photos, maintenance records, or corrected paperwork—that proves the violation didn't occur or has been resolved. Start with your carrier's safety office or a compliance consultant.
Freightliner units (FRHT) account for 6 of the 14 all-time citations. International trucks (INTE) follow with 3 citations, while Wancheng, Great Dane, International, and Utility trailers each appear twice. The distribution is small, but Freightliner represents the largest share of 387.31B3II enforcement.
The citation rate is sporadic and low. Last 12 months show 8 total citations scattered across May, July, August, September, October (3 citations), and November. There's no consistent trend, but October 2025 saw a minor spike with 3 citations. With zero citations in the most recent 90 days, enforcement appears inactive.
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.