If you use QuickBooks, you might be wondering what an Unapplied Cash Bill Payment Expense is. In response to your query, a QuickBooks unapplied cash bill payment expense account is created to record costs incurred from a dealer in cash or through checks that have been sent to the dealer. The seller's bill may not have included these funds or checks. This may happen if a bill has been paid for a credit card balance with a record balance. An unapplied cash payment income account,