Electronic Documents of Illinois
Document Identification
Users should pay particular attention to version identification or dates of publication of documents retrieved. Earlier, possibly superseded, versions of documents are also stored here. TitleForm IL-1040-X Instructions
- Instructions to amend an individual Income Tax Return, including when such an amendment is appropriate.
Originally Deposited as: NA for serial records
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This is the parent of a series. Its descendents are:- Form IL-1040-X Instructions 2005 : 1436