---
kind: "section"
citation: "40 C.F.R. § 97.1007"
title: "40"
number: "97.1007"
heading: "Computation of time."
url: "https://uscodex.org/cfr/40/97.1007"
---

# §97.1007. Computation of time.

- (a) Unless otherwise stated, any time period scheduled, under the CSAPR NOX Ozone Season Group 3 Trading Program, to begin on the occurrence of an act or event shall begin on the day the act or event occurs.
- (b) Unless otherwise stated, any time period scheduled, under the CSAPR NOX Ozone Season Group 3 Trading Program, to begin before the occurrence of an act or event shall be computed so that the period ends the day before the act or event occurs.
- (c) Unless otherwise stated, if the final day of any time period, under the CSAPR NOX Ozone Season Group 3 Trading Program, is not a business day, the time period shall be extended to the next business day.

## Notes

### Source

Source: 86 FR 23208, Apr. 30, 2021, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401, 7403, 7410, 7426, 7491, 7601, and 7651, et seq.

### Source

Source: 65 FR 2727, Jan. 18, 2000, unless otherwise noted. 71 FR 25396, 25422, and 25443, Apr. 28, 2006