40 CFR § 60.5 - Determination of construction or modification.
---
identifier: "/us/cfr/t40/s60.5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 60.5 - Determination of construction or modification."
title_number: 40
title_name: "Protection of Environment"
section_number: "60.5"
section_name: "Determination of construction or modification."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "60"
part_name: "STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES"
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: "36 FR 24877, Dec. 23, 1971, unless otherwise noted."
cfr_part: "60"
---
# 60.5 Determination of construction or modification.
(a) When requested to do so by an owner or operator, the Administrator will make a determination of whether action taken or intended to be taken by such owner or operator constitutes construction (including reconstruction) or modification or the commencement thereof within the meaning of this part.
(b) The Administrator will respond to any request for a determination under paragraph (a) of this section within 30 days of receipt of such request.
[40 FR 58418, Dec. 16, 1975]