This is a public organization whose activities are related to accounting of buildings, constructions and buildings on the site. This particular organization is determined by their current state, the number of changes (new construction, completion, remodeling), the cost of inventory (materials and work, without considering the place where is a lot).

For the subsequent action of the owner that are associated with the processing of different transactions (such as Deposit, gift, purchase/sale, probate, contract, specific use, etc.), or the registration of the act with respect to unauthorized construction, necessary documents which issued the BTI. Documents are issued on hands – on technical passport, legal document, as well as the act of unauthorized construction if it is necessary.

Additionally, product data includes documents such as: plan specific area and property, which it is, on the scale of (the drawing is close to scale) floor plan (this is the internal plan of the building with dimensions and designation of areas), description of the materials from which made the construction of all buildings.

A legal document is the document that explains the estate the legal entity (contract of purchase/sale, gift, certificate of inheritance, certificate of title).