Another thing to check.....if you didn't have you software fees paid out of your Federal Refund.
If you have a brokerage account, check any activity in there....sometime people accidentally directed the refund to their brokerage account, and the routing/account numbers for those are something you wouldn't immediately recognize.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
