---
title: "What is Driver qualification file?"
description: "The records a carrier must keep for each CMV driver under 49 CFR 391.51."
canonical: https://mydotcheck.com/glossary/driver-qualification-file
last_updated: 2026-10-21
---

# What is Driver qualification file?

The records a carrier must keep for each CMV driver under 49 CFR 391.51.

A DQ file includes the employment application, motor vehicle records, road test certificate or equivalent, medical examiner's certificate, safety performance history inquiries and Clearinghouse queries.

Missing or expired items in DQ files are among the most common audit violations.

## Learn more

-   [Driver Qualification File Checklist (49 CFR 391.51)](/driver-qualification-file-checklist)
-   [DOT Audit Checklist: What Auditors Check in a Safety Audit](/dot-audit-checklist)

Check your DOT number

---
Canonical URL: https://mydotcheck.com/glossary/driver-qualification-file
Title: What is Driver qualification file?