No, as long as your return has been accepted, you are done filing your taxes. If you did need to send in any paperwork, the program would have notified you.
If you are receiving a refund, you can check the status of your Federal refund on the IRS website, Where's My Refund
https://www.irs.gov/refunds
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If you are due a state refund
How do I track my state refund?
