A contract of sale is a contract for the sale of real estate in the future. This agreement defines the conditions under which the property is transferred. These terms are well known to everyone, we are all aware of their use in the sales procedure. Since there can be no sale through the execution of a power of attorney, nor transfer through the execution of a contract of sale, power of attorney and will. A certificate of sale is usually issued as an extension of a sales agreement and an MPA. This is preferably the best way for the buyer to carefully inspect the sale property. But there are many hoaxes and misunderstandings about the validity or negative effect of these conditions. The deed of sale is the most important legal document by which a seller transfers his right of ownership to the buyer who then acquires absolute ownership of the property. .