40 CFR § 63.11425 - What General Provisions apply to this subpart?
---
identifier: "/us/cfr/t40/s63.11425"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.11425 - What General Provisions apply to this subpart?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.11425"
section_name: "What General Provisions apply to this subpart?"
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"
---
# 63.11425 What General Provisions apply to this subpart?
(a) The provisions in subpart A of this part, that are applicable to this subpart are specified in table 3 to this subpart.
(b) For existing sources, the initial notification required by § 63.9(b) must be submitted not later than November 13, 2007, or no later than 120 days after the source becomes subject to this subpart, whichever is later.
(c) For existing sources, the initial notification of compliance required by § 63.9(h) must be submitted not later than March 13, 2009, or no later than 120 days after the source becomes subject to this subpart, whichever is later.
[72 FR 38913, July 16, 2007, as amended at 73 FR 15929, Mar. 26, 2008; 85 FR 73920, Nov. 19, 2020; 88 FR 11595, Feb. 23, 2023]