# 40 C.F.R. § 86.001-23 (2026): Required data

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_23

## Section

- **Citation:** 40 C.F.R. § 86.001-23 (2026)
- **Heading:** Required data
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 40 CFR: Protection of Environment / Chapter I / Part 86 / Subpart A / § 86.001-23: § 86.001-23   Required data.

## Text

Section 86.001-23 includes text that specifies requirements that differ from § 86.098-23. Where a paragraph in § 86.098-23 is identical and applicable to § 86.001-23, this may be indicated by specifying the corresponding paragraph and the statement “[Reserved]. For guidance see § 86.098-23.” (a)-(b)(1) [Reserved]. For guidance see § 86.098-23. (b)(2) For light-duty vehicles and light-duty trucks, the manufacturer shall submit evaporative emission and/or refueling emission deterioration factors for each evaporative/refueling emission family-emission control system combination and all test data that are derived from testing described under § 86.001-21(b)(4)(i) designed and conducted in accordance with good engineering practice to assure that the vehicles covered by a certificate issued under § 86.001-30 will meet the evaporative and/or refueling emission standards in § 86.099-8 or § 86.001-9, as appropriate, for the useful life of the vehicle. (b)(3) and (b)(4) [Reserved]. For guidance see § 86.098-23. (c) Emission data (1) [Reserved] (c)(2)-(e)(1) [Reserved]. For guidance see § 86.098-23. (e)(2) For evaporative and refueling emissions durability, or light-duty truck or HDE exhaust emissions durability, a statement of compliance with paragraph (b)(2) of this section or § 86.098-23 (b)(1)(ii), (b)(3), or (b)(4) as applicable. (3) For certification of vehicles with non-integrated refueling systems, a statement that the drivedown used to purge the refueling canister was the same as described in the manufacturer's application for certification. Furthermore, a description of the procedures used to determine the number of equivalent UDDS miles required to purge the refueling canisters, as determined by the provisions of § 86.001-21(b)(5)(v) and subpart B of this part. Furthermore, a written statement to the Administrator that all data, analyses, test procedures, evaluations and other documents, on which the above statement is based, are available to the Administrator upon request. (f)-(g) [Reserved] (h)-(m) [Reserved]
ivalent UDDS miles required to purge the refueling canisters, as determined by the provisions of § 86.001-21(b)(5)(v) and subpart B of this part. Furthermore, a written statement to the Administrator that all data, analyses, test procedures, evaluations and other documents, on which the above statement is based, are available to the Administrator upon request. (f)-(g) [Reserved] (h)-(m) [Reserved]. For guidance see § 86.098-23. [61 FR 54887, Oct. 22, 1996, as amended at 62 FR 54720, Oct. 21, 1997; 79 FR 23687, Apr. 28, 2014]

## Nearby sections

- [40 C.F.R. § 86.000-2 (2026) § 86.000-2   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_2.md)
- [40 C.F.R. § 86.000-3 (2026) § 86.000-3   Abbreviations.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_3.md)
- [40 C.F.R. § 86.000-7 (2026) § 86.000-7   Maintenance of records; submittal of information; right of entry.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_7.md)
- [40 C.F.R. § 86.000-24 (2026) § 86.000-24   Test vehicles and engines.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_000_24.md)
- [40 C.F.R. § 86.001-2 (2026) § 86.001-2   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_2.md)
- [40 C.F.R. § 86.001-21 (2026) § 86.001-21   Application for certification.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_21.md)
- [40 C.F.R. § 86.001-23 (2026) § 86.001-23   Required data.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_23.md)
- [40 C.F.R. § 86.001-24 (2026) § 86.001-24   Test vehicles and engines.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_24.md)
- [40 C.F.R. § 86.004-2 (2026) § 86.004-2   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_2.md)
- [40 C.F.R. § 86.004-11 (2026) § 86.004-11   Emission standards for 2004 and later model year diesel heavy-duty engines and vehicles.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_11.md)
- [40 C.F.R. § 86.004-15 (2026) § 86.004-15   NO X plus NMHC and particulate averaging, trading, and banking for heavy-duty engines.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_15.md)
- [40 C.F.R. § 86.004-16 (2026) § 86.004-16   Prohibition of defeat devices.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_16.md)
- [40 C.F.R. § 86.004-21 (2026) § 86.004-21   Application for certification.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_21.md)
- [40 C.F.R. § 86.004-25 (2026) § 86.004-25   Maintenance.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_004_25.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T40_P86_S86_001_23. Check the current official text before relying on it. Not legal advice.