40 CFR § 62.14545a - What must I do if I close my CISWI and then restart it?

---
identifier: "/us/cfr/t40/s62.14545a"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.14545a - What must I do if I close my CISWI and then restart it?"
title_number: 40
title_name: "Protection of Environment"
section_number: "62.14545a"
section_name: "What must I do if I close my CISWI and then restart it?"
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: "2026-04-05"
last_updated: "2026-04-05"
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"
---


# 62.14545a What must I do if I close my CISWI and then restart it?

If you close your CISWI but restart it after January 10, 2025, for the purpose of continuing operation of the your CISWI, you must complete emission control retrofits and meet the emission limitations and operating limits on the date your unit restarts operation.