# 31 CFR § 800.203: Business day

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-31-800.203

## Section

- **Citation:** 31 CFR § 800.203
- **Heading:** Business day
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 31—Money and Finance: Treasury > Subtitle B—Regulations Relating to Money and Finance > CHAPTER VIII—OFFICE OF INVESTMENT SECURITY, DEPARTMENT OF THE TREASURY > PART 800—REGULATIONS PERTAINING TO CERTAIN INVESTMENTS IN THE UNITED STATES BY FOREIGN PERSONS > Subpart B—Definitions

## Text

The term business day means Monday through Friday, except the legal public holidays specified in 5 U.S.C. 6103, any day declared to be a holiday by federal statute or executive order, or any day with respect to which the U.S. Office of Personnel Management has announced that Federal agencies in the Washington, DC, area are closed. For purposes of calculating any deadline imposed by this part triggered by the submission of a party to a transaction under § 800.401(g)(2) or § 800.501(i), any submissions received after 5 p.m. Eastern Time are deemed to be submitted on the next business day.
Note 1 to § 800.203:
See § 800.604 regarding the tolling of deadlines during a lapse in appropriations.

## Nearby sections

- [31 CFR § 800.101 § 800.101 Scope.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.101.md)
- [31 CFR § 800.102 § 800.102 Risk-based analysis.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.102.md)
- [31 CFR § 800.103 § 800.103 Effect on other law.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.103.md)
- [31 CFR § 800.104 § 800.104 Applicability rule.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.104.md)
- [31 CFR § 800.105 § 800.105 Rules of construction and interpretation.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.105.md)
- [31 CFR § 800.201 § 800.201 Aggregated data.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.201.md)
- [31 CFR § 800.202 § 800.202 Anonymized data.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.202.md)
- [31 CFR § 800.203 § 800.203 Business day.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.203.md)
- [31 CFR § 800.204 § 800.204 Certification.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.204.md)
- [31 CFR § 800.205 § 800.205 Committee; Chairperson of the Committee; Staff Chairperson.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.205.md)
- [31 CFR § 800.206 § 800.206 Completion date.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.206.md)
- [31 CFR § 800.207 § 800.207 Contingent equity interest.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.207.md)
- [31 CFR § 800.208 § 800.208 Control.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.208.md)
- [31 CFR § 800.209 § 800.209 Conversion.](https://www.frixlaw.com/law-library/statutes/ecfr-31-800.209.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-31-800.203. Check the current official text before relying on it. Not legal advice.