40 CFR § 1036.543 - Carbon balance error verification.

---
identifier: "/us/cfr/t40/s1036.543"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1036.543 - Carbon balance error verification."
title_number: 40
title_name: "Protection of Environment"
section_number: "1036.543"
section_name: "Carbon balance error verification."
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"
---


# 1036.543 Carbon balance error verification.

The optional carbon balance error verification in 40 CFR 1065.543 compares independent assessments of the flow of carbon through the system (engine plus aftertreatment). This procedure applies for each individual interval in §§ 1036.535(b), (c), and (d), 1036.540, and 1036.545.

[89 FR 29752, Apr. 22, 2024]