Do you want to know what is unapplied cash payment income of QuickBooks We can simply remark that the account that generates revenue on a cash basis indicates unapplied cash payment income in QuickBooks. If you want to clear the unapplied cash installment, you must pay the installment on the payment date rather than the receipt date. This payment may need to be cleared for bookkeeping and accounting requirements. Both the available Online version and QuickBooks Desktop can be used for the interaction.