The code 570 is a hold for processing, and It will just take a little longer for your tax return to be processed. Code 570: Additional Liability Pending/or Credit Hold - Per IRS Transaction Codes. The IRS is in the process of matching forms they received from you and the ones you reported.
The code 767 means a refund was returned but has not been received by the IRS, therefore, they can't reissue a check.
