Classifiers of AIS types and subtypes (group of datasets, total 4 units) (Classifier of types of auctions and auctions of AIS; Classifier of types of property for sale in AIS; Classifier of subtypes of property of sale in AIS; Classifier of organizers of auctions and auctions of AIS). Bailiffs Information System (AIS) classifiers. The geographical sample of the data is the entire territory of the country.