---
kind: "section"
citation: "40 C.F.R. § 63.5716"
title: "40"
number: "63.5716"
heading: "When must I conduct a performance test?"
url: "https://uscodex.org/cfr/40/63.5716"
---

# §63.5716. When must I conduct a performance test?

- (a) If your source is an existing source, you must complete the add-on control device performance test no later than the compliance date specified in [§ 63.5695](/cfr/40/63.5695.md).
- (b) If your source is a new source, you must complete the add-on control device performance test no later than 180 days after the compliance date specified in [§ 63.5695](/cfr/40/63.5695.md).
- (c) You must conduct a performance test every 5 years as part of renewing your 40 CFR part [70](/cfr/40/part70.md) or [71](/cfr/40/part71.md) operating permit.

## Notes

### Source

Source: 66 FR 44232, Aug. 22, 2001, unless otherwise noted.

### Authority

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

### Source

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