40 CFR § 63.11600 - What are my compliance dates?
---
identifier: "/us/cfr/t40/s63.11600"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.11600 - What are my compliance dates?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.11600"
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"
---
# 63.11600 What are my compliance dates?
(a) If you own or operate an existing affected source, you must achieve compliance with the applicable provisions in this subpart by December 3, 2012.
(b) If you own or operate a new affected source, you must achieve compliance with the applicable provisions of this subpart by December 3, 2009, or upon startup of your affected source, whichever is later.
(c) If you own or operate a facility that becomes an affected source in accordance with § 63.11599(b)(3) after the applicable compliance date in paragraphs (a) or (b) of this section, you must achieve compliance with the applicable provisions of this subpart by the date that you commence processing, using, or generating materials containing HAP, as defined in § 63.11607.