For Oregon........you can have an OR income deduction for your Federal tax liability. (only a few states allow this)
Oregon adjusts the initially calculated Federal tax liability by the amount of Federal stimulus (and a few other things).....so, you may be getting a lower deduction from OR income for that reason alone. ( that worksheet is on page 65&66 of the 2020 OR tax instructions ).
2020 Publication OR-17, Oregon Individual Income Tax Guide, 150-101-431
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For the Federal tax return, you'd need to print out the 2020 Fed forms and compare them carefully to a print-out of your 2019 forms...and compare them side-by side to see if there is a section with an unexplained change from 2019...then go look at suspect sections to see if you've entered everything properly.
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Sometimes state values don't change immediately with a change in the Federal section....until you step thru the state section too.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
