---
kind: "section"
citation: "40 C.F.R. § 63.2133"
title: "40"
number: "63.2133"
heading: "When do I have to comply with this subpart?"
url: "https://uscodex.org/cfr/40/63.2133"
---

# §63.2133. When do I have to comply with this subpart?

- (a) If you have a new or reconstructed affected source, then you must comply with paragraph [(a)(1)](#a-1) or [(2)](#a-2) of this section.
  - (1) If you start up your affected source before May 21, 2001, then you must comply with this subpart no later than May 21, 2001.
  - (2) If you start up your affected source on or after May 21, 2001, then you must comply with this subpart upon startup of your affected source.
- (b) If you have an existing affected source, then you must comply with this subpart no later than May 21, 2004.
- (c) If you have an area source that increases its emissions, or its potential to emit, so that it becomes a major source of HAP, then paragraphs [(c)(1)](#c-1) and [(2)](#c-2) of this section apply.
  - (1) Any portion of the existing facility that is a new affected source or a new reconstructed source must be in compliance with this subpart upon startup.
  - (2) All other parts of the affected source must be in compliance with this subpart by no later than 1 year after it becomes a major source.
- (d) You must meet the notification requirements in [§ 63.2180](/cfr/40/63.2180.md) according to the schedule in [§ 63.2180](/cfr/40/63.2180.md) and in [subpart A](/cfr/40/subpartA.md) of this part.

## Notes

### Source

Source: 82 FR 48178, Oct. 16, 2017, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.