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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
Can supporting documents be limited to only those acquired at the beginning and end of the workday? FMCSA-HOS-ELD-395-FAQ40(2017-03-27)-CORR1 ELD Guidance
How many supporting documents must be retained by motor carriers, and when must drivers submit them to the motor carrier? FMCSA-HOS-ELD-395-FAQ27(2017-03-27)-CORR1 ELD Guidance
What are the categories of supporting documents? FMCSA-HOS-ELD-395-FAQ29(2017-03-27)-CORR1 ELD Guidance
Are there specific categories of supporting documents that drivers are not required to physically retain? FMCSA-HOS-ELD-395-FAQ39(2017-03-27)-CORR1 ELD Guidance
How long must motor carriers retain records of duty status (RODS) and supporting documents? FMCSA-HOS-ELD-395-FAQ28(2017-03-27)-CORR1 ELD Guidance
How are motor carriers required to present records of duty status (RODS) from December 11-17, 2017? Will drivers be required to present their records of duty status on electronic logging devices (ELDs)? FMCSA-ELD-395-Q13 ELD Guidance
ELD FAQ 26: Electronic Logging Devices and Hours of Service – Supporting Documents FMCSA-HOS-ELD-395-FAQ26 ELD Guidance
What is the mandate in the Moving Ahead for Progress in the 21st Century Act (MAP-21) for the Electronic Logging Device (ELD) rule? FMCSA-ELD-395-Q02 ELD Guidance
How long must a motor carrier retain electronic logging device (ELD) record of duty status (RODS) data? FMCSA-HOS-ELD-395-FAQ008(2017-03-22) ELD Guidance
How must a driver reflect their record of duty status for the previous 7 days during a roadside inspection, if he or she is employed by multiple motor carriers that are using ELDs? FMCSA-ELD-395-Q14 ELD Guidance