hmmm..might well need to file a Part-year OR tax return too.
Investment income would be the primary issue, since mutual funds tend to distribute their Cap gains in December, that would be OR-taxable income...along with any pension payments during December...or if you took any IRA $$ after moving to OR.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
