DOT Guidance Portal
Welcome to the DOT Guidance Portal. This web portal is a searchable, indexed database, that 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.
You may submit a request electronically for issuance, reconsideration, modification, or rescission of guidance documents by emailing regulationC50.law@dot.gov.
| Subject | Topic | Issued Date Sort ascending |
|---|---|---|
| Number 118 - Part 241 - Filing of Year-end Preliminary Form 41 Schedules Part 248 - Filing of Annual Audit Reports | Accounting and Reporting Directive | |
| Number 38 - General Standards For Submission of Computer Prepared Formats | Accounting and Reporting Directive | |
| Employees Covered Under DOT Testing Regulation 49 CFR Part 40 | Drug and Alcohol Testing | |
| Best Practices for DOT Random Drug and Alcohol Testing | Drug and Alcohol Testing | |
| DOT’s 10 Steps to Collection Site Security and Integrity (English) | Drug and Alcohol Testing | |
| Urine Specimen Collection Guidelines | Drug and Alcohol Testing | |
| What Employees Need to Know About DOT Drug & Alcohol Testing (English) | Drug and Alcohol Testing | |
| Drug and Alcohol Record Keeping Requirements | Drug and Alcohol Testing | |
| Release of Information Form “49 CFR Part 40 – Drug and Alcohol Testing” | Drug and Alcohol Testing | |
| BAT and STT Model Course Ordering Form | Drug and Alcohol Testing |