# 40 CFR § 171.5: Effective date

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-40-171.5

## Section

- **Citation:** 40 CFR § 171.5
- **Heading:** Effective date
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 40—Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER E—PESTICIDE PROGRAMS > PART 171—CERTIFICATION OF PESTICIDE APPLICATORS > Subpart A—General Provisions

## Text

(a) This part is effective March 6, 2017. Certification plans approved by EPA before the effective date remain approved except as provided in §§ 171.5(b)-(d) and 171.309.
(b) Status of certification plans approved before effective date. A certification plan approved by EPA before March 6, 2017 remains approved until March 4, 2020, except as provided in paragraph (c) of this section and § 171.309.
(c) Extension of an existing plan during EPA review of proposed revisions. If by March 4, 2020, a certifying authority has submitted to EPA a proposed modification of its certification plan pursuant to subpart D of this part, its certification plan approved by EPA before March 6, 2017 will remain in effect until EPA has approved or rejected the modified plan pursuant to § 171.309(a)(4) or November 4, 2023, whichever is earlier, except as provided in paragraph (d) of this section and § 171.309(b).
(d) Extension of an existing plan after EPA has approved a revised plan. Where EPA has approved a certifying authority's modified certification plan pursuant to § 171.309(a)(4), the certification plan approved by EPA before March 6, 2017 shall remain in effect as specified in EPA's approval of the modified certification plan.
(e) States, Tribes, or Federal agencies that do not have an EPA-approved certification plan in effect may submit to EPA for review and approval a certification plan that meets or exceeds all of the applicable requirements of this part any time.
[82 FR 1029, Jan. 4, 2017, as amended at 86 FR 71838, Dec. 20, 2021; 87 FR 50965, Aug. 19, 2022]

## Nearby sections

- [40 CFR § 171.1 § 171.1 Scope.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.1.md)
- [40 CFR § 171.3 § 171.3 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.3.md)
- [40 CFR § 171.5 § 171.5 Effective date.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.5.md)
- [40 CFR § 171.101 § 171.101 Commercial applicator certification categories.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.101.md)
- [40 CFR § 171.103 § 171.103 Standards for certification of commercial applicators.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.103.md)
- [40 CFR § 171.105 § 171.105 Standards for certification of private applicators.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.105.md)
- [40 CFR § 171.107 § 171.107 Standards for recertification of certified applicators.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.107.md)
- [40 CFR § 171.201 § 171.201 Requirements for direct supervision of noncertified applicators by certified applicators.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.201.md)
- [40 CFR § 171.301 § 171.301 General.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.301.md)
- [40 CFR § 171.303 § 171.303 Requirements for State certification plans.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.303.md)
- [40 CFR § 171.305 § 171.305 Requirements for Federal agency certification plans.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.305.md)
- [40 CFR § 171.307 § 171.307 Certification of applicators in Indian country.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.307.md)
- [40 CFR § 171.309 § 171.309 Modification and withdrawal of approval of certification plans.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.309.md)
- [40 CFR § 171.311 § 171.311 EPA-administered applicator certification programs.](https://www.frixlaw.com/law-library/statutes/ecfr-40-171.311.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-40-171.5. Check the current official text before relying on it. Not legal advice.