The IRS does not know or care if you chose "refund processing." The IRS is in control of how long it takes them to process your return, regardless of how you pay your software fees. Choosing refund processing might cause a delay of a day or so once the third party bank receives your refund from the IRS.
What is Refund Processing Service?
Santa Barbara Tax Products Group, LLC (SBTPG) is the bank that handles the Refund Processing Service when you choose to have your TurboTax fees deducted from your refund. This option also has an additional charge from the bank that processes the transaction.
You can contact them SBTPG, toll-free, at 1-877-908-7228 or go to their secure website www.sbtpg.com
The IRS pays whenever they pay. They only pay to a bank account that has your name and SSN on it. To use refund processing, SBT bank opens an account in your name, receives the direct deposit, takes the fees, and sends the rest to your regular bank. This should take 1-2 extra business days. But the IRS does not change their deposit date based on whether you have a Bank of America checking account or an SBT checking account.