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Regulatory Guidance

Welcome to the FMCSA Guidance Portal. This web portal is a searchable, indexed database that contains and links to all guidance documents in effect from the Federal Motor Carrier Safety Administration. The guidance documents lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract.

To comment on any guidance document, or to request issuance, reconsideration, modification, or rescission of any guidance document, please identify the guidance document in your request and send it to: FMCSAguidance@dot.gov. NOTE: The FMCSAguidance mailbox is not intended to serve as a mailbox for general inquiries. For inquiries that go beyond the limited purpose of the FMCSAguidance mailbox, please call FMCSA's Information Line (800-832-5660) or visit FMCSA's "Contact Us" page to send your inquiry to the appropriate mailbox.

Subject Agency Identifier Topic Issued Date
How can I track the progress of my bulk queries? FMCSA-D&A-CLEAR-382-FAQ007 Guidance on Bulk Query Tracking
How does an employer or consortium/third-party administrator (C/TPA) submit a bulk query? FMCSA-D&A-CLEAR-382-FAQ022 Guidance on How to submit bulk query
If I registered as an employer without a Portal account, can I now link my Portal account with my Clearinghouse account? FMCSA-D&A-CLEAR-382-FAQ023 Guidance on Linking Portal Account to Clearinghouse Account
Can a substance abuse professional (SAP) modify or delete return-to-duty (RTD) information he/she has reported? FMCSA-D&A-CLEAR-382-FAQ031 Guidance on SAP Information Modification
What actions should an employer take if unable to conduct required pre-employment queries? FMCSA-D&A-CLEAR-382.701-FAQ007 Guidance for employers unable to perform a preemployment query due to intermittent Clearinghouse outages on January 6, 2020.
Should violations that occurred before the Clearinghouse Implementation Date be reported to the Clearinghouse? FMCSA-D&A-CLEAR-382.705-FAQ013 Guidance on reporting violations that occurred before the Clearinghouse Implementation Date
How will State Driver Licensing Agencies (SDLAs) use the Clearinghouse? FMCSA-D&A-CLEAR-382.725-FAQ001-RESCINDED Guidance on SDLA Use of the Clearinghouse
Is an employer required to conduct pre-employment and annual Clearinghouse queries for drivers who are in a random testing pool regulated by another DOT agency? FMCSA-D&A-CLEAR-382.701-FAQ006 Guidance on whether an employer is required to conduct pre-employment and annual Clearinghouse queries for drivers who are in a random testing pool regulated by another DOT agency.
How do I manage my company’s Clearinghouse user accounts? FMCSA-D&A-CLEAR-382-FAQ024 Guidance on managing user account
May drivers access their own information in the Clearinghouse? FMCSA-D&A-CLEAR-382.709-FAQ001 Guidance on driver access to Clearinghouse information