regular leased land business is very advanced, and needs the consulting good when this land is very used in that. The landowner requests the business scheme from the entrepreneur at the stage of the proposal while putting the use of the entire land of the landowner in the mind when the entrepreneur thinks whether the merchantability and the panic peddling ground cannot be used by the fixed-term land leasehold after examining the regulatory control etc. though is not only land where the landowner thinks about use in reality in case of the inheritance tax measures. It proposes the business. The entrepreneur advances the examination of the use of land in such a general situation standpoint. First of all, it is called, Commercial area.