IRS Form 8888, Allocation of Refund, is used by taxpayers who want their refunds to be deposited into more than one account.
Reasons you may not split your refund into more than one account in TaxAct:
See the IRS Instructions for Form 8888 for details.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.