---
kind: "section"
citation: "40 C.F.R. § 63.11580"
title: "40"
number: "63.11580"
heading: "What are my compliance dates?"
url: "https://uscodex.org/cfr/40/63.11580"
---

# §63.11580. What are my compliance dates?

- (a) If you own or operate an existing affected source, you must achieve compliance with the applicable provisions in this subpart no later than December 30, 2010.
- (b) If you start up a new affected source on or before December 30, 2009, you must achieve compliance with this subpart no later than December 30, 2009.
- (c) If you start up a new affected source after December 30, 2009, you must achieve compliance with this subpart upon startup of your affected source.

## Notes

### Source

Source: 74 FR 69208, Dec. 30, 2009, unless otherwise noted.

### Authority

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

### Source

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