Need. Overhaul fund bill is the invoice voucher for the property company to pay the fee to the owner. Generally in triplicate, one for the property management company, one for the owner and one for the Housing Authority. The bill is five centimeters long and one centimeter wide, with the payment amount, payment date and payer's name written on it. It is used in overhaul fund in a standard way. Information is very important, so buying a second-hand house requires a overhaul fund invoice.