21 CFR § 17.30 - Computation of time.

---
identifier: "/us/cfr/t21/s17.30"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 17.30 - Computation of time."
title_number: 21
title_name: "Food and Drugs"
section_number: "17.30"
section_name: "Computation of time."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "17"
part_name: "CIVIL MONEY PENALTIES HEARINGS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 1451-1461; 21 U.S.C. 141-149, 321-394, 467f, 679, 821, 1034; 28 U.S.C. 2112; 42 U.S.C. 201-262, 263b, 364."
regulatory_source: "60 FR 38626, July 27, 1995, unless otherwise noted."
cfr_part: "17"
---


# 17.30 Computation of time.

(a) In computing any period of time under this part or in an order issued thereunder, the time begins with the day following the act or event, and includes the last day of the period, unless either such day is a Saturday, Sunday, or Federal holiday, in which event the time includes the next business day.

(b) When the period of time allowed is less than 7 days, intermediate Saturdays, Sundays, and Federal holidays shall be excluded from the computation.

(c) When a document has been served or issued by placing it in the mail, an additional 5 days will be added to the time permitted for any response.