---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtA/part40/subpartR"
level: "subpart"
label: "Subpart R"
heading: "Public Interest Exclusions"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtA-part40-subpartR"
sections_count: 27
---

# Subpart R — Public Interest Exclusions

Title 49 C.F.R. — Transportation › Subtitle A — Office of the Secretary of Transportation › Part 40 — Procedures for Transportation Workplace Drug and Alcohol Testing Programs

## Sections

- [§40.361. What is the purpose of a public interest exclusion (PIE)?](/cfr/49/40.361.md)
- [§40.363. On what basis may the Department issue a PIE?](/cfr/49/40.363.md)
- [§40.365. What is the Department's policy concerning starting a PIE proceeding?](/cfr/49/40.365.md)
- [§40.367. Who initiates a PIE proceeding?](/cfr/49/40.367.md)
- [§40.369. What is the discretion of an initiating official in starting a PIE proceeding?](/cfr/49/40.369.md)
- [§40.371. On what information does an initiating official rely in deciding whether to start a PIE proceeding?](/cfr/49/40.371.md)
- [§40.373. Before starting a PIE proceeding, does the initiating official give the service agent an opportunity to correct problems?](/cfr/49/40.373.md)
- [§40.375. How does the initiating official start a PIE proceeding?](/cfr/49/40.375.md)
- [§40.377. Who decides whether to issue a PIE?](/cfr/49/40.377.md)
- [§40.379. How do you contest the issuance of a PIE?](/cfr/49/40.379.md)
- [§40.381. What information do you present to contest the proposed issuance of a PIE?](/cfr/49/40.381.md)
- [§40.383. What procedures apply if you contest the issuance of a PIE?](/cfr/49/40.383.md)
- [§40.385. Who bears the burden of proof in a PIE proceeding?](/cfr/49/40.385.md)
- [§40.387. What matters does the Director decide concerning a proposed PIE?](/cfr/49/40.387.md)
- [§40.389. What factors may the Director consider?](/cfr/49/40.389.md)
- [§40.391. What is the scope of a PIE?](/cfr/49/40.391.md)
- [§40.393. How long does a PIE stay in effect?](/cfr/49/40.393.md)
- [§40.395. Can you settle a PIE proceeding?](/cfr/49/40.395.md)
- [§40.397. When does the Director make a PIE decision?](/cfr/49/40.397.md)
- [§40.399. How does the Department notify service agents of its decision?](/cfr/49/40.399.md)
- [§40.401. How does the Department notify employers and the public about a PIE?](/cfr/49/40.401.md)
- [§40.403. Must a service agent notify its clients when the Department issues a PIE?](/cfr/49/40.403.md)
- [§40.405. May the Federal courts review PIE decisions?](/cfr/49/40.405.md)
- [§40.407. May a service agent ask to have a PIE reduced or terminated?](/cfr/49/40.407.md)
- [§40.409. What does the issuance of a PIE mean to transportation employers?](/cfr/49/40.409.md)
- [§40.411. What is the role of the DOT Inspector General's office?](/cfr/49/40.411.md)
- [§40.413. How are notices sent to service agents?](/cfr/49/40.413.md)