---
kind: "section"
citation: "40 C.F.R. § 63.11450"
title: "40"
number: "63.11450"
heading: "What are my compliance dates?"
url: "https://uscodex.org/cfr/40/63.11450"
---

# §63.11450. What are my compliance dates?

- (a) If you have an existing affected source, you must comply with the applicable emission limits specified in [§ 63.11451](/cfr/40/63.11451.md) of this subpart no later than December 28, 2009. As specified in section 112(i)(3)(B) of the Clean Air Act and in [§ 63.6(i)(4)(A)](/cfr/40/63.6.md?p=i-4-A), you may request that the Administrator or delegated authority grant an extension allowing up to 1 additional year to comply with the applicable emission limits if such additional period is necessary for the installation of emission controls.
- (b) If you have a new affected source, you must comply with this subpart according to paragraphs [(b)(1)](#b-1) and [(2)](#b-2) of this section.
  - (1) If you start up your affected source on or before December 26, 2007, you must comply with the applicable emission limit specified in [§ 63.11451](/cfr/40/63.11451.md) no later than December 26, 2007.
  - (2) If you start up your affected source after December 26, 2007, you must comply with the applicable emission limit specified in [§ 63.11451](/cfr/40/63.11451.md) upon initial startup of your affected source.
- (c) If you own or operate a furnace that produces glass containing one or more glass manufacturing metal HAP as raw materials at an annual rate of less than 45 Mg/yr (50 tpy), and you increase glass production for that furnace to an annual rate of at least 45 Mg/yr (50 tpy), you must comply with the applicable emission limit specified in [§ 63.11451](/cfr/40/63.11451.md) within 2 years of the date on which you increased the glass production rate for the furnace to at least 45 Mg/yr (50 tpy).
- (d) If you own or operate a furnace that produces glass at an annual rate of at least 45 Mg/yr (50 tpy) and is not charged with glass manufacturing metal HAP, and you begin production of a glass product that includes one or more glass manufacturing metal HAP as raw materials, and you produce at least 45 Mg/yr (50 tpy) of this glass product, you must comply with the applicable emission limit specified in [§ 63.11451](/cfr/40/63.11451.md) within 2 years of the date on which you introduced production of the glass product that contains glass manufacturing metal HAP.
- (e) You must meet the notification requirements in [§ 63.11456](/cfr/40/63.11456.md) according to the schedule in [§ 63.11456](/cfr/40/63.11456.md) and in [40 CFR part 63](/cfr/40/part63.md), subpart A. Some of the notifications must be submitted before you are required to comply with emission limits specified in this subpart.

## Notes

### Source

Source: 72 FR 73201, Dec. 26, 2007, unless otherwise noted.

### Authority

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

### Source

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