10 C.F.R. § 110.90 Computation of time.
Title 10 - Energy
(a) In computing time, the first day of a designated time period is not included and the last day is included. If the last day is a Saturday, Sunday or legal holiday at the place where the required action is to be accomplished, the time period will end on the next day which is not a Saturday, Sunday or legal holiday. (b) In time periods of 7 days or less, Saturdays, Sundays and holidays are not counted. (c) Whenever an action is required within a prescribed period by a paper served pursuant to §110.89, 3 days shall be added to the prescribed period if service is by mail. (d) An interpretation of this section is contained in §8.3 of this chapter.
Title 10: Energy
PART 110—EXPORT AND IMPORT OF NUCLEAR EQUIPMENT AND MATERIAL
Subpart H—Public Participation Procedures Concerning License Applications
§ 110.90 Computation of time.