Illinois Taxes Awaiting Official Announcement

Treasury’s Tax Extension Impacts Illinois Tax Filing Deadlines
Section 505(b) of the Illinois Income Tax Act provides that when a taxpayer has been granted an extension or extensions of time within which to file his federal income tax return for any taxable year, the filing of such extension shall automatically extend the due date of the state return for an equivalent period (plus an additional month beyond the federal extension in the case of corporations—if the requirements of Sect 602 are met).  No official pronouncements have been posted at this time, but specific guidance will be posted here.

(35 ILCS 5/Art. 5 heading)

ARTICLE 5. RECORDS, RETURNS AND NOTICES.

(35 ILCS 5/505) (from Ch. 120, par. 5-505)

(b) Extension of time for filing federal return. When the taxpayer has been granted an extension or extensions of time within which to file his federal income tax return for any taxable year, the filing of a copy of such extension or extensions with the Department shall automatically extend the due date of the return with respect to the tax imposed by this Act for an equivalent period (plus an additional month beyond the federal extension in the case of corporations) if the requirements of Section 602 are met.