The Cash Flow checkbox determines if the account will appear on cash-flow reports even if there is no activity in the reporting period, but there is a budget amount for any remaining month.If there is no activity for an account in the reporting period and no budget for the remaining months, the account will not appear on the cash-flow reports regardless of the check box setting.
If there is any activity in the reporting period, the account will appear on the cash-flow reports regardless of the check box setting.