Ill. Admin. Code tit. 14 § 515.100
Current through Register Vol. 49, No. 2, January 10, 2025
Computation of any period of time prescribed by this Part shall begin with the first business day following the day on which the act, event or development initiating that period of time occurs, and shall run until the end of the last day or the next business day if the last day is a Saturday, Sunday or federal or State holiday. When the period of time is 5 days or less, Saturday, Sunday and federal or State holidays shall be excluded in the computation of time. Timeliness shall be determined by the date of postmark or the date of hand delivery.
Ill. Admin. Code tit. 14, § 515.100