Row 8: Letting a driver disqualified under the CDL rules drive (49 CFR 383.51(a))

Row 8 fails a new carrier that knowingly allows, requires, permits or authorizes a driver who is disqualified to drive a commercial motor vehicle, as the CDL rules define it.

What the rule says

49 CFR 383.51 (a) says a person required to have a CLP or CDL who is disqualified must not drive a CMV, and an employer must not knowingly allow, require, permit or authorize a disqualified driver to drive a CMV. The 385.321 table notes that this row refers to a driver operating a CMV as defined in 383.5, the CDL definition (49 CFR 385.321).

What disqualifies a CDL driver

Section 383.51 sets out four tables. In outline:

Convictions in a personal vehicle can also count for several offenses. The tables are detailed; use the regulation, not a summary, when a specific case comes up.

How carriers find out

Through the same records as row 7: the pre-hire MVR covering 3 years (49 CFR 391.23), the annual MVR and documented review (49 CFR 391.25), and the driver's duty to report license actions by the end of the next business day (49 CFR 391.15). A carrier that skips these checks may be found to have known what the records would have shown.

Records an auditor will compare

How to fix it

  1. Review every current MVR against the 383.51 tables, not just for suspensions.
  2. Count serious traffic violations within 3-year windows; the second one is what triggers 60 days.
  3. Remove a disqualified driver from all CDL driving, document the dates, and keep the record.
  4. Tell drivers in writing that they must report any citation or conviction promptly.

If an auditor finds this violation, the audit fails. FMCSA then has up to 45 days to send written notice, and you get 60 days from the notice date to fix the problem and prove it (45 days for certain passenger and hazmat carriers) before your new entrant registration is revoked (49 CFR 385.319, 49 CFR 385.325). The overview explains the timeline.

Related

Sources

Sources opened and checked on October 11, 2026.

Not legal advice. This page explains public rules and common contract terms in plain English; it is not a substitute for reading your own documents or asking a qualified professional. Rules change, so check the official source.