---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchE/part171"
level: "part"
label: "Part 171"
heading: "Certification of Pesticide Applicators"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchE-part171"
sections_count: 14
---

# Part 171 — Certification of Pesticide Applicators

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter E — Pesticide Programs

## Contents

- [Subpart A — General Provisions](/cfr/40/chI-subchE-part171-subpartA.md)
- [Subpart B — Certification Requirements for Applicators of Restricted Use Pesticides](/cfr/40/chI-subchE-part171-subpartB.md)
- [Subpart C — Supervision of Noncertified Applicators](/cfr/40/chI-subchE-part171-subpartC.md)
- [Subpart D — Certification Plans](/cfr/40/chI-subchE-part171-subpartD.md)