§ 1-303. Computation of time before an act, event, or default.
(1) In determining the latest day for performing an act that is required by this Code to be performed a prescribed number of days before a certain day, act, or event, all days preceding that day, including intervening Saturdays, Sundays, and legal holidays, are counted in the number of days so prescribed.
(2) The latest day is included in the determination unless it is a Saturday, Sunday, or legal holiday, in which event the latest day is the first preceding day that is not a Saturday, Sunday, or legal holiday.