receivables of outstanding(managing receivables of outstanding rental bills | The cash balance does not reflect current receivables of outstanding membership fees. Alexander Demidov)
amount outstanding(It was recommended years ago to leave a small amount outstanding as this would mean you do not need to pay the deed transfer and deed storage fees, also if ... | amounts outstanding The amount outstanding is the stock of securities at the end of the period.... Found on oenb.at)
arrears(money that sb/something owes that they should have paid earlier: rent/tax arrears • The airline has now paid its arrears in landing fees. • The country has accumulated debt arrears of $715 million. OBED Alexander Demidov)