15 CFR § 325.4 - Calculating time periods.

---
identifier: "/us/cfr/t15/s325.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "15 CFR § 325.4 - Calculating time periods."
title_number: 15
title_name: "Commerce and Foreign Trade"
section_number: "325.4"
section_name: "Calculating time periods."
chapter_name: "INTERNATIONAL TRADE ADMINISTRATION, DEPARTMENT OF COMMERCE"
subchapter_number: "A"
subchapter_name: "MISCELLANEOUS REGULATIONS"
part_number: "325"
part_name: "EXPORT TRADE CERTIFICATES OF REVIEW"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Title III of the Export Trading Company Act, Pub. L. 97-290 (96 Stat. 1240-1245, 15 U.S.C. 4011-4021)."
regulatory_source: "50 FR 1806, Jan. 11, 1985, unless otherwise noted."
cfr_part: "325"
---


# 325.4 Calculating time periods.

(a) When these regulations require action to be taken within a fixed time period, and the last day of the time period falls on a non-working day, the time period shall be extended to the next working day.

(b) The day after an application is deemed submitted shall be deemed the first of the days within which the Secretary must make a determination on the application.