What This Guide Covers
What FMCSA's driver qualification regulations actually require — not as one blended rule, but as the several distinct requirements a qualification file bundles together: a previous-employer safety investigation, a motor vehicle record pulled at hiring, an annual review of that record, medical certification, and a road test or an accepted equivalent. Each of these is its own section of 49 CFR Part 391 with its own conditions.
How This Area Fits Your Operation
49 CFR 391.51 lists what a driver qualification file must contain, but the rules for each item live in their own sections. Before hiring, a carrier must investigate the driver's safety performance history with DOT-regulated previous employers going back 3 years (§391.23), with the driver's written consent — a driver who won't consent cannot be put behind the wheel. Separately, within 30 days of employment, the carrier must pull the driver's motor vehicle record from every state where they held a license in the preceding 3 years (also §391.23(a)). That pre-hire pull is distinct from the annual review under §391.25, which recurs at least once every 12 months for as long as the driver is employed. Medical qualification (§391.41–391.45) requires an exam from a provider on FMCSA's National Registry of Certified Medical Examiners, with a certificate generally valid up to 24 months. And before operating, the driver needs a road test (§391.31) — or, in its place, an accepted equivalent such as a valid CDL earned through a state road test, or a road test certificate from a previous employer within the last 3 years (§391.33).
Records To Organize
- Driver's employment application
- Previous-employer safety performance history investigation, with the driver's written consent
- Motor vehicle record (MVR) pulled within 30 days of hiring, from every state the driver held a license in over the preceding 3 years
- Road test certificate, or an accepted equivalent such as a valid CDL or a prior employer's road test certificate
- Annual review of the driver's motor vehicle record
- Medical examiner's certificate, from an examiner on the National Registry
- Any required Skill Performance Evaluation Certificate or Part 381 medical exemption documentation
- Source49 CFR 391.51 — General Requirements for Driver Qualification Files — eCFR· Federal · checked 2026-09-16
- Source49 CFR 391.23 — Investigation and Inquiries — eCFR· Federal · checked 2026-09-16
- Source49 CFR 391.41 / 391.43 / 391.45 — Physical Qualifications and Examinations — eCFR· Federal · checked 2026-09-16
- Source49 CFR 391.31 / 391.33 — Road Test and Equivalents — eCFR· Federal · checked 2026-09-16
Dates That May Require Attention
- Motor vehicle record pulled within 30 days of a driver's employment start
- Annual review of each driver's motor vehicle record, at least once every 12 months
- Medical examiner's certificate expiration, generally up to 24 months from the exam
- Driver qualification file retention: for as long as the driver is employed, plus three years after
- Source49 CFR 391.25 — Annual Inquiry and Review of Driving Record — eCFR· Federal · checked 2026-09-16
How DOT Serenity Fits
DOT Serenity links each document and date to the driver it belongs to, calculates the annual MVR review date, and lets you export a driver's qualification file as a single evidence packet. Uploaded documents are reviewed by staff before they're marked on file.