Illinois Statutes

§ 203 — Base income defined

Illinois § 203
JurisdictionIllinois
TopicGOVERNMENT
Ch. 35REVENUE
Act 35 ILCS 5/Illinois Income Tax Act.
Art.Article 2 - Tax Imposed

This text of Illinois § 203 (Base income defined) is published on Counsel Stack Legal Research, covering Illinois primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
35 Ill. Comp. Stat. 203 (2026).

Text

(a)Individuals.
(1)In general. In the case of an individual, base income means an amount equal to the taxpayer's adjusted gross income for the taxable year as modified by paragraph (2).
(2)Modifications. The adjusted gross income referred to in paragraph (1) shall be modified by adding thereto the sum of the following amounts:
(A)An amount equal to all amounts paid or accrued to the taxpayer as interest or dividends during the taxable year to the extent excluded from gross income in the computation of adjusted gross income, except stock dividends of qualified public utilities described in Section 305(e) of the Internal Revenue Code;
(B)An amount equal to the amount of tax imposed by this Act to the extent deducted from gross income in the computation of adjusted gross income for the t

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Related

§ 835
26 U.S.C. § 835

Legislative History

(Source: P.A. 103-8, eff. 6-7-23; 103-478, eff. 1-1-24; 103-592, Article 10, Section 10-900, eff. 6-7-24; 103-592, Article 170, Section 170-90, eff. 6-7-24; 103-605, eff. 7-1-24; 103-647, eff. 7-1-24; 104-6, eff. 6-16-25; 104-417, eff. 8-15-25; 104-453, eff. 12-12-25.)

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Bluebook (online)
Illinois § 203, Counsel Stack Legal Research, https://law.counselstack.com/statute/il/203.