ILCS » Chapter 820 · Act 310
Illinois Compiled Statutes

820 ILCS 310/19.1 (2026)

The time within which any act is required to be performed under the provisions of this Act shall be computed by excluding the first day and including the last, unless the last day is Sunday or is a holiday as defined or fixed in any statute now or hereafter in force in this State, and then such days shall also be excluded

✓ current as of May 2026
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(820 ILCS 310/19.1) (from Ch. 48, par. 172.54a)
    Sec. 19.1. The time within which any act is required to be performed under the provisions of this Act shall be computed by excluding the first day and including the last, unless the last day is Sunday or is a holiday as defined or fixed in any statute now or hereafter in force in this State, and then such days shall also be excluded. If the day succeeding such holiday is also a holiday then such succeeding day shall also be excluded.
(Source: Laws 1959, p. 1706.)

    
Notes of Decisions
Cited in 3 cases (1 in the last 5 years), 2016–2025 · leading case: Springfield Coal Co., LLC v. Illinois Workers' Comp. Comm'n, 2016 IL App (4th) 150564WC (Ill. App. Ct. 2017).
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Springfield Coal Co., LLC v. Illinois Workers' Comp. Comm'n, 2016 IL App (4th) 150564WC (Ill. App. Ct. 2017). “See 820 ILCS 310/19.1 (West 2014) (noting that the time within which any act is required to be performed under the Act shall be computed by excluding the first day and including the last, unless the last day is Saturday or Sunday or is a holiday).”
Springfield Coal Co., LLC v. Illinois Workers' Comp. Comm'n, 2016 IL App (1st) 150564WC (Ill. App. Ct. 2016). “See 820 ILCS 310/19.1 (West 2014) (noting that the time within which any act is required to be performed under the Act shall be computed by excluding the first day and including the last, unless the last day is Saturday, Sunday or is a holiday.”
Springfield Coal Co., LLC. v. Illinois Workers' Comp. Comm'n, 2016 IL App (4th) 150564WC (Ill. App. Ct. 2025). “See 820 ILCS 310/19.1 (West 2014) (noting that the time within which any act is required to be performed under the Act shall be computed by excluding the first day and including the last, unless the last day is Saturday, Sunday or is a holiday.”
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