40 CFR § 63.11401 - What are my compliance dates?
---
identifier: "/us/cfr/t40/s63.11401"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.11401 - What are my compliance dates?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.11401"
section_name: "What are my compliance dates?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "63"
part_name: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES"
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"
regulatory_source: "57 FR 61992, Dec. 29, 1992, unless otherwise noted."
cfr_part: "63"
---
# 63.11401 What are my compliance dates?
(a) If you own or operate an existing affected source, you must achieve compliance with the applicable provisions of this subpart by July 16, 2007.
(b) If you startup a new affected source on or before July 16, 2007, you must achieve compliance with the applicable provisions of this subpart not later than July 16, 2007.
(c) If you startup a new affected source after July 16, 2007, you must achieve compliance with the applicable provisions of this subpart upon startup of your affected source.