Code 570 is an Additional Liability Pending and/or Credit Hold which freezes the account--for refunds, as well as refund offsets.
For more information create or login to your account at the IRS: View Your Tax Account.
For more support, contact a local IRS taxpayer advocate.
To check if there is any refund offset involved, you will need to contact them here: Treasury Offset Program & Debt Management Services.
For more information, see:
When will I get my IRS tax refund?
Why do some refunds take longer than others?
