Clearinghouse query
An FMCSA Drug & Alcohol Clearinghouse lookup employers run before hire and annually thereafter.
At a glance
- Category
- File records
- Last reviewed
- 2026-10-01
- First published
- 2026-01-10
- Sources
- 1
A Clearinghouse query checks whether a CDL driver has unresolved drug or alcohol violations in the FMCSA Clearinghouse. Employers run a full query with consent before employment and limited queries on the schedule FMCSA rules require.
Sources
Last reviewed 2026-10-01
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