40 CFR § 173.1 - Applicability.

---
identifier: "/us/cfr/t40/s173.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 173.1 - Applicability."
title_number: 40
title_name: "Protection of Environment"
section_number: "173.1"
section_name: "Applicability."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "173"
part_name: "PROCEDURES GOVERNING THE RESCISSION OF STATE PRIMARY ENFORCEMENT RESPONSIBILITY FOR PESTICIDE USE VIOLATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 136w and 136w-2."
regulatory_source: "46 FR 26059, May 11, 1981, unless otherwise noted."
cfr_part: "173"
---


# 173.1 Applicability.

These procedures govern any proceeding to rescind a State's primary enforcement responsibility for pesticide use violations conducted under section 27(b) of the Federal Insecticide, Fungicide, and Rodenticide Act, as amended (FIFRA), 7 U.S.C. 136 *et seq.*