DOTEvidence reader
FMCSA violation 390.21TB1-MC
Readable context for the official federal records behind this code—without sending you directly into a raw JSON response.
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Exact code format not listed in Appendix A
This exact code appears in DOT inspection data but is not listed in SMS Appendix A v3.21.
This is not immunity and does not erase an inspection, citation, court deadline, out-of-service order, PSP record, MVR consequence, or other enforcement issue.
Classification reference: SMS Appendix A v3.21 · reviewed July 13, 2026. FMCSA can revise codes and weights.Official occurrence data
Recent DOT sample rows
They show that this exact code occurs in the official DOT inspection dataset. Occurrence data alone does not determine whether the code is currently included in SMS, its BASIC, or its severity weight. Appendix A controls that comparison.
| Description | Inspection | OOS | DOT record updated |
|---|---|---|---|
| Operating a CMV without legal name or trade name displayed | 88599630 ↗ | No | 08/24/2026 21:40 UTC |
| Operating a CMV without legal name or trade name displayed | 88570642 ↗ | No | 08/24/2026 21:40 UTC |
| Operating a CMV without legal name or trade name displayed | 88571313 ↗ | No | 08/24/2026 21:40 UTC |
| Operating a CMV without legal name or trade name displayed | 88588757 ↗ | No | 08/24/2026 21:40 UTC |
| Operating a CMV without legal name or trade name displayed | 88589262 ↗ | No | 08/24/2026 21:40 UTC |
| Operating a CMV without legal name or trade name displayed | 88531375 ↗ | No | 08/24/2026 21:40 UTC |
| Operating a CMV without legal name or trade name displayed | 88539313 ↗ | No | 08/24/2026 21:40 UTC |
| Operating a CMV without legal name or trade name displayed | 88488251 ↗ | No | 08/24/2026 21:40 UTC |
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Open filtered DOT JSON ↗Primary references
Verify against FMCSA’s current materials
- FMCSA CSA resource libraryHuman-readable home for the current methodology and Appendix A downloads ↗
- SMS Methodology: Appendix AOfficial spreadsheet of violations used in SMS, BASIC assignments, and weights ↗
- SMS MethodologyOfficial explanation of how the Safety Measurement System calculates measures and percentiles ↗
- Vehicle Inspections and ViolationsOfficial DOT data portal page, dataset description, fields, and downloads ↗
- FMCSA inspection record 82151420Official inspection record showing inspection-level violation fields ↗