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2011/2012 Due Dates
Due Monday, April 16, 2012:
  • 2011 Oregon corporation tax returns and payments for the calendar year.

Due Tuesday, April 17, 2012:
  • 2011 individual income tax returns and balance-due payments.
  • Requests for an automatic six-month tax-filing extension.
  • Tax year 2011 contributions to a Roth or traditional IRA.
  • Individual estimated tax payments for the first quarter of 2012.
  • Last day to file individual refund claims for tax year 2008.
  • Partnership returns, Form 65.
  • Trust and estate returns and payments.
  • 2011 TriMet and Lane Transit District self-employment tax returns and payments.
  • Senior and disabled property tax deferral applications.

Due Friday, June 15, 2012:
  • Individual estimated tax payments for the second quarter of 2012.

Due Sunday, July 1, 2012:
  • Elderly Rental Assistance application.

Due Monday, September 17, 2012:
  • Individual estimated tax payments for the third quarter of 2012.

Due Monday, October 15, 2012:
  • Individual income tax returns for taxpayers that filed an extension.

Due Tuesday, January 15, 2013:
  • Individual estimated tax payments for the fourth (last) quarter of 2012.