40 CFR § 1036.435 - Recordkeeping requirements.

---
identifier: "/us/cfr/t40/s1036.435"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1036.435 - Recordkeeping requirements."
title_number: 40
title_name: "Protection of Environment"
section_number: "1036.435"
section_name: "Recordkeeping requirements."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "U"
subchapter_name: "AIR POLLUTION CONTROLS"
part_number: "1036"
part_name: "CONTROL OF EMISSIONS FROM NEW AND IN-USE HEAVY-DUTY HIGHWAY ENGINES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401—7671q."
regulatory_source: "88 FR 4487, Jan. 24, 2023, unless otherwise noted."
cfr_part: "1036"
---


# 1036.435 Recordkeeping requirements.

Keep the following paper or electronic records of your field testing for five years after you complete all the testing required for an engine family:

(a) Keep a copy of the reports described in § 1036.430.

(b) Keep any additional records, including forms you create, related to any of the following:

(1) The recruitment, screening, and selection process described in § 1036.410, including the vehicle owner's name, address, phone number, and email address.

(2) Pre-test maintenance and adjustments to the engine performed under § 1036.415.

(3) Test results for all void, incomplete, and voluntary testing described in § 1036.430.

(4) Evaluations to determine why an engine failed any of the bin standards described in § 1036.420.

(c) Keep a copy of the relevant calibration results required by 40 CFR part 1065.