Fill in the certificate of purchase When you find the desired property purchase. This section presents a certificate of the chief real-estate transaction specialist. Seal and signed a sales contract Once you understand the contract, you may ask the financial institution at this point. Important description of the property subject to the desired purchase. Separate legally binding. The approach to the lifting of the mortgage banks. Pay a deposit. If there is a set of mortgages to the seller, the sales contract is concluded at this point. spite fence if you want to buy the loans that have a walk.