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DOT Guidance Portal

Welcome to the DOT Guidance Portal. This web portal is a searchable, indexed database, as required by Executive Order 13891 and contains all guidance documents issued by DOT and its nine operating administrations that are in effect today. The guidance documents contained herein lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract. DOT may not cite, use, or rely on any guidance that is not available through this guidance portal, except to establish historical facts.

Guidance documents issued by the Office of the Secretary of Transportation (OST) are available below and guidance documents for each of the operating administrations are found on their individual website Guidance Portals.

This guidance portal was announced in a Federal Register notice that Secretary Elaine L. Chao issued on February 25, 2020.

For more information regarding the procedures associated with the development and issuance of DOT guidance documents, please see the Department’s regulations on “Administrative Rulemaking, Guidance, and Enforcement Procedures” (December 27, 2019). You may submit a request electronically for issuance, reconsideration, modification, or rescission of guidance documents by emailing regulationC50.law@dot.gov.
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Subject Topic Issued Date
Official FAQs on DBE Program Regulations (49 CFR 23) Disadvantaged Business Enterprise
Notice Regarding Current Administration and Enforcement of The Essential Air Service Program Aviation Consumer Protection
Notice - Reporting of Causes of Flight Delays and Cancellations Given The Unprecedented Impact Of The COVID-19 Public Health Emergency On Air Travel Aviation Consumer Protection
Enforcement Notice Regarding Refunds by Carriers Given the Unprecedented Impact of the COVID-19 Public Health Emergency on Air Travel Aviation Consumer Protection
COVID-19 Guidance Disadvantaged Business Enterprise
DOT Guidance on Compliance with DOT Drug and Alcohol Testing Regulations Drug and Alcohol Testing
DOT "CBD" Notice Drug and Alcohol Testing
Inflation Adjustments to Liability Limits Governed by the Montreal Convention Effective December 28, 2019 Aviation Consumer Protection
TECHNICAL REPORTING DIRECTIVE #33 – REPORTING AIR CARRIERS FOR CALENDAR YEAR 2020 (Part 234 and 250) Accounting and Reporting Directive
Final Guidance for Implementing the Optional Property-Based Approach to Exempting Consideration of Effects to Rail Properties within Rail Rights-of-Way under Section 106 of the National Historic Preservation Act Transportation Policy