40 CFR § 62.5112 - Effective date.

---
identifier: "/us/cfr/t40/s62.5112"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.5112 - Effective date."
title_number: 40
title_name: "Protection of Environment"
section_number: "62.5112"
section_name: "Effective date."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "62"
part_name: "APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS"
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: "43 FR 51393, Nov. 3, 1978, unless otherwise noted."
cfr_part: "62"
---


# 62.5112 Effective date.

(a) The effective date of the 111(d)/129 plan is June 22, 1999.

(b) The plan revision (Phase II) is effective June 9, 2008.

(c) The plan revision is effective July 30, 2018.

[64 FR 19922, Apr. 23, 1999, as amended at 73 FR 18970, Apr. 8, 2008; 83 FR 24941, May 31, 2018]