Regulations last checked for updates: May 03, 2025

Title 33 - Navigation and Navigable Waters last revised: Apr 29, 2025
§ 20.306 - Computation of time.

(a) We compute time periods as follows:

(1) We do not include the first day of the period.

(2) If the last day of the period is a Saturday, Sunday, or Federal holiday, we extend the period to the next business day.

(3) If the period is 7 days or less, we do not include Saturdays, Sundays, or Federal holidays.

(b) If you were served a document (by domestic mail) that requires or permits a response, you may add 3 days to any period for response.

(c) If you need additional time to file a response, follow the rules in these tables.

(1) You may request an extension—

Table 20.306(c)(1)—How to Request an Extension

If the response period— By—
Has not expiredTelephone, letter, or motion.
Has expiredOnly by motion describing why the failure to file was excusable.

(2) You file your request as follows:

Table 20.306(c)(2)—Where to File an Extension Request

If— Then you file your request with the—
An ALJ has not been assignedHearing Docket Clerk.
An ALJ has been assignedALJ.
Your case is on appealHearing Docket Clerk.
authority: 33 U.S.C. 1321; 42 U.S.C. 9609; 46 U.S.C. 7701,7702; Department of Homeland Security Delegation No. 0170.1, para. 2(73)
source: CGD 98-3472, 64 FR 28062, May 24, 1999, unless otherwise noted.
cite as: 33 CFR 20.306