---
kind: "section"
citation: "40 C.F.R. § 63.8995"
title: "40"
number: "63.8995"
heading: "When do I have to comply with this subpart?"
url: "https://uscodex.org/cfr/40/63.8995"
---

# §63.8995. When do I have to comply with this subpart?

- (a) If you have a new or reconstructed affected source, you must comply with this subpart according to paragraphs [(a)(1)](#a-1) or [(2)](#a-2) of this section.
  - (1) If you start up your affected source before April 17, 2003, you must comply with the emission limitations and work practice standards in this subpart no later than April 17, 2003.
  - (2) If you start up your affected source after April 17, 2003, you must comply with the emission limitations and work practice standards in this subpart upon startup of your affected source.
- (b) If you have an existing affected source, you must comply with the emission limitations and work practice standards no later than 3 years after April 17, 2003.
- (c) If you have an area source that increases its emissions or its potential to emit such that it becomes a major source of HAP, the provisions in 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 source must be in compliance with this subpart no later than the date 3 years after the area source becomes a major source.
- (d) You must meet the notification requirements in [§ 63.9045](/cfr/40/63.9045.md) according to the schedule in [§ 63.9045](/cfr/40/63.9045.md) and in [subpart A](/cfr/40/subpartA.md) of this part. Some of the notifications must be submitted before you are required to comply with the emission limitations in this subpart.

## Notes

### Source

Source: 68 FR 19090, Apr. 17, 2003, unless otherwise noted.

### Authority

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

### Source

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