# 40 CFR § 97.7: Computation of time

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-40-97.7

## Section

- **Citation:** 40 CFR § 97.7
- **Heading:** Computation of time
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 40—Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS > PART 97—FEDERAL NOX BUDGET TRADING PROGRAM, CAIR NOX AND SO2 TRADING PROGRAMS, CSAPR NOX AND SO2 TRADING PROGRAMS, AND TEXAS SO2 TRADING PROGRAM > Subpart A—NOX Budget Trading Program General Provisions

## Text

(a) Unless otherwise stated, any time period scheduled, under the NOX Budget 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 NOX Budget 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 NOX Budget Trading Program, falls on a weekend or a State or Federal holiday, the time period shall be extended to the next business day.

## Nearby sections

- [40 CFR § 97.1 § 97.1 Purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.1.md)
- [40 CFR § 97.2 § 97.2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.2.md)
- [40 CFR § 97.3 § 97.3 Measurements, abbreviations, and acronyms.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.3.md)
- [40 CFR § 97.4 § 97.4 Applicability.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.4.md)
- [40 CFR § 97.5 § 97.5 Retired unit exemption.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.5.md)
- [40 CFR § 97.6 § 97.6 Standard requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.6.md)
- [40 CFR § 97.7 § 97.7 Computation of time.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.7.md)
- [40 CFR § 97.10 § 97.10 Authorization and responsibilities of NOX authorized account representative.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.10.md)
- [40 CFR § 97.11 § 97.11 Alternate NOX authorized account representative.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.11.md)
- [40 CFR § 97.12 § 97.12 Changing NOX authorized account representative and alternate NOX authorized account representative; changes in owners and operators.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.12.md)
- [40 CFR § 97.13 § 97.13 Account certificate of representation.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.13.md)
- [40 CFR § 97.14 § 97.14 Objections concerning NOX authorized account representative.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.14.md)
- [40 CFR § 97.20 § 97.20 General NOX Budget Trading Program permit requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.20.md)
- [40 CFR § 97.21 § 97.21 Submission of NOX Budget permit applications.](https://www.frixlaw.com/law-library/statutes/ecfr-40-97.21.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-40-97.7. Check the current official text before relying on it. Not legal advice.