Ill. Admin. Code tit. 8, § 1.245
Computing Time Limits
Effective Nov 24, 19826 Ill. Reg. 14981AUTHORITY: Implementing and authorized by Sections 5-10, 5-145, 10-5, 10-10, 10-15, 10-20, 10-25, 10-30, 10-35, 10-40, 10-50, and 10-60 of the Illinois Administrative Procedure Act (Ill. Rev. Stat. 1991, ch. 127, pars. 1005-10, 1005-145, 1010-5, 1010-10, 1010-15, 1010-20, 1010-25, 1010-30, 1010-35, 1010-40, 1010-50, and 1010-60) and the Freedom of Information Act (Ill. Rev. Stat. 1991, ch. 116, par. 201 et seq.).DEPARTMENT OF AGRICULTURE
Saturdays, Sundays and legal holidays for the State of Illinois shall be included in computing the time for any act in Subpart C of this Part, except that when such time expires on a Saturday, Sunday or legal holiday for the State of Illinois, such period shall be extended to include the next following business day.
(Source: Amended at 6 Ill. Reg. 14981, effective November 24, 1982)