@mcperez57
Can't know exactly what you've done
BUT
Sounds like you made a mistake on the My Info page.
Go back to the My Info page and edit the information about yourself.
You DO NOT indicate that you moved on that page. (Spouse neither if married)
You just indicate that you were a WA resident all year...no "Moves" from another state.
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Then, you would only indicate SC or CA as another state that you had income from? (bottom of the My Info page)....you would only indicate CA or SC if you worked an off-duty job (W-2 or self-employed) in CA or SC....or own a rental property in either state that you get income from. If you had that kind of extra income...then you would file one of those states as a "Non-resident" not as a part-year resident.
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____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
