The Refund Date is the date that you want this refund check
to affect your bank account (or the account you use for undeposited funds).
QuickBooks uses this date when it generates the payroll transaction detail
The For Period Beginning date is the beginning date of the period
that you want this refund check to cover. For example, if you received a
liability refund on August 31 for your pay period beginning on July 1, you would
enter July 1. QuickBooks uses this date when it generates the payroll