Important Tax filing Deadlines:
Individual Income Tax Returns: April 15th
Extended deadline of October 15th
Partnerships returns (form 1065): March 15th
Extended deadline is September 15th
S-Corporations (1120-S): March 15th
Extended deadline is September 15th
C-Corporations (1120):
Calendar year: April 15th
Extended deadline of October 15th
Fiscal year: the 15th day of the fourth month following year end
Estates and Trusts Returns: April 15th
Extended September 30th
Estimated Tax payments Due Dates:
- April 15th
- June 17th
- Sept 15
- Jan 15th
Helpful Links
Oregon Department of Revenue
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Where is my IRS Refund?
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Where is my Oregon Refund?
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Need a new EIN?
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OR Secretary of State
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OR Business Identification
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