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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
Once I have completed my Clearinghouse registration, how can I update the email address associated with my Clearinghouse account? FMCSA-D&A-CLEAR-382-FAQ014 Guidance on updating email address associated with Clearinghouse account
Hours of Service: Frequently Asked Questions- Non-Business Transportation of Personal Property –ELD, CDL FMCSA-HOS-ELDS-NONBUSINESS GUIDANCE-FAQ1 Hours of Service and CDL Guidance –Non-Business Purposes
Under 49 CFR § 382.103(d)(1), the requirements of 49 CFR Part 382 do not apply to employers and their drivers “required to comply with the alcohol and/or controlled substances testing requirements of part 655 (Federal Transit Administration (FTA) alcohol FMCSA-D&A-CLEAR-382.103-FAQ003 Guidance on the applicability of the Clearinghouse requirement to FTA-regulated employers and drivers
Are motor carrier employers operating in Puerto Rico required to query/report to the Clearinghouse if they employ commercial driver’s license (CDL) holders who rely on the CDL to legally operate a commercial motor vehicle (CMV) in Puerto Rico? FMCSA-D&A-CLEAR-382.103-FAQ005 Guidance on the applicability of the Clearinghouse requirements to CDL drivers who operate in Puerto Rico
What information must be submitted in a harassment complaint? FMCSA-HOS-ELD-395-FAQ70(2019-11-22)-CORR1 ELD Guidance
What is the consent process for full and limited queries? FMCSA-D&A-CLEAR-382.703-FAQ001 Guidance on Clearinghouse consent requirements
For which actions in the Clearinghouse are employers charged a fee? FMCSA-D&A-CLEAR-382-FAQ001 Guidance on which actions in the Clearinghouse employers are charged a fee
For which actions in the Clearinghouse are employers charged a fee? FMCSA-D&A-CLEAR-382-FAQ019 Guidance regarding Clearinghouse fees
Which users are charged a fee for using the Clearinghouse? FMCSA-D&A-CLEAR-382-FAQ034 Guidance on who is charged a fee
How much does it cost to conduct limited and full queries in the Clearinghouse? FMCSA-D&A-CLEAR-382-FAQ011 Guidance on the cost per Clearinghouse query