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Oregon subtractions are items that are taxed on the federal personal income tax return but aren't taxed by Oregon. Some subtractions are claimed on your Oregon personal income tax return. Other subtractions are claimed using a subtraction code on Schedule OR-ASC or Schedule OR-ASC-NP. Subtractions that are related to itemized deductions are claimed as modifications by part-year residents and nonresidents.
These subtractions are claimed using a subtraction code on Schedule OR-ASC (full-year filers) or Schedule OR-ASC-NP (part-year or nonresident filers):
These subtractions are related to itemized deductions. They are claimed as modifications by part-year and nonresident filers using a modification code on Schedule OR-ASC-NP.
Read Publication OR-17 for more information and instructions for claiming these subtractions and modifications on your Oregon personal income tax return
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