Nothing that you need to do------the IRS is in control. Watch the IRS refund site for information.
FROM THE IRS WHERE’S MY REFUND SITE:
https://www.irs.gov/wheres-my-refund
How it works
Where's My Refund shows your refund status:
- Return Received – We received your return and are processing it.
- Refund Approved – We approved your refund and are preparing to issue it by the date shown.
- Refund Sent – We sent the refund to your bank or to you in the mail. It may take 5 days for it to show in your bank account or several weeks for your check to arrive in the mail.