40 CFR § 63.11515 - What are my compliance dates?
---
identifier: "/us/cfr/t40/s63.11515"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.11515 - What are my compliance dates?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.11515"
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"
---
# 63.11515 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 July 25, 2011.
(b) If you own or operate a new affected source, you must achieve compliance with the applicable provisions in this subpart by July 23, 2008, or upon startup of your affected source, whichever is later.