Invoice for the full payment of the loan to buy a house. After the buyer completes the loan application from the bank, the developer should issue an invoice for the full payment to the buyer. According to relevant public information, after paying the down payment, the developer will issue a down payment receipt to the home buyer. After the home buyer has applied for a home purchase loan from the bank, the developer should issue a full payment receipt to the home buyer. bill. To withdraw provident fund, apply for a real estate certificate, and settle in, you need to provide a house purchase invoice.