Tax Calendar |
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![](https://webarchive.library.unt.edu/eot2008/20080922162549im_/http://www.oregon.gov/images/spacer.gif) |
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Important due dates for Oregon personal income tax programs. - January 15, 2008
- 4th installment of 2007 estimated tax payment. - April 15, 2008
- 2007 personal income tax return - 1st installment of 2008 estimated tax payment. - June 16, 2008
- 2nd installment of 2008 estimated tax payment. - August 15, 2008
- Personal income tax return for individuals that filed an extension. - September 15, 2008
- 3rd installment of 2008 estimated tax payment. Last revised February 14, 2008
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