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Form OR-EF, Oregon Individual Income Tax Declaration for
Oregon Individual Income Tax Declaration for Electronic Filing. Office use Dont mail this form or your paper return to the Oregon Department of Revenue.
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Oregon Department of Revenue : Forms and publications
Form OR-40, Oregon Individual Income Tax Return for Full-year Residents Instructions, 150-101-040-1, 2023 ; Form OR-40-V, Oregon Individual Income Tax Payment
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IRB 2013-38 (Rev. September 16, 2013)
Sep 16, 2013 T.D. 9630, page 199. These final regulations address concerns that taxpayers are taking unreasonable positions with respect to the determina
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