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 do authorized users sign up to access the Clearinghouse? | FMCSA-D&A-CLEAR-382.711-FAQ003 | Guidance on Authorized User Registration | |
| Suspension of Motor Carrier Operating Authority Registration for Invalid Process Agent (BOC-3) Filings (MC-RS-2019-0002) | FMCSA-REG-366-SUSPENSION OF OPERATING AUTHORITY REGISTRATION FOR INVALID BOC-3 FILINGS | Suspension of Operating Authority Registration for Invalid Process Agent Filings | |
| Crash Preventability Determination Program, 84 FR 38087 | FMCSA-FR-84FR38087.2019.08.05 | crash preventability | |
| Advisory: Declaring the Transportation of Anhydrous Ammonia and Class 3, Flammable Liquids When Filing FMCSA Registration. | FMCSA-HM-ADVISORY.2019.06.05 | Hazardous Materials | |
| ELD Carrier-Driver Training | FMCSA-HOS-ELD-TRAINING-395-FAQ3 | ELD Guidance | |
| ELD Provider Training | FMCSA-HOS-ELD-TRAINING-395-FAQ4 | ELD Guidance | |
| How will CDL drivers be notified when information about them is added to the Clearinghouse? | FMCSA-D&A-CLEAR-382.707-FAQ001 | Guidance on Driver Notification | |
| What actions can CDL drivers take in the Clearinghouse? | FMCSA-D&A-CLEAR-382.709-FAQ002 | Guidance on what actions CDL drivers can take in the Clearinghouse | |
| When will an employer be notified of changes to a driver’s Clearinghouse record? | FMCSA-D&A-CLEAR-382.701-FAQ002-RESCINDED | Guidance on when an employer will be notified of changes to a driver’s Clearinghouse record | |
| What must employers do when an authorized service agent is no longer conducting business for the employer’s company? | FMCSA-D&A-CLEAR-382.711-FAQ002 | Guidance on requirement the employer update Clearinghouse registration to reflect service agent changes |