---
kind: "section"
citation: "40 C.F.R. § 63.784"
title: "40"
number: "63.784"
heading: "Compliance dates."
url: "https://uscodex.org/cfr/40/63.784"
---

# §63.784. Compliance dates.

- (a) Each owner or operator of an existing affected source shall comply within two years after the effective date of this subpart.
- (b) Each owner or operator of an existing unaffected area source that increases its emissions of (or its potential to emit) HAP such that the source becomes a major source that is subject to this subpart shall comply within 1 year after the date of becoming a major source.
- (c) Each owner or operator of a new or reconstructed source shall comply with this subpart according to the schedule in [§ 63.6(b)](/cfr/40/63.6.md?p=b).

## Notes

### Amendments

[60 FR 64336, Dec. 15, 1995, as amended at 61 FR 30816, June 18, 1996]

### Source

Source: 60 FR 64336, Dec. 15, 1995, unless otherwise noted.

### Authority

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

### Source

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

### Amendments

[60 FR 64336, Dec. 15, 1995, as amended at 61 FR 30816, June 18, 1996]