253/1997. (XII. 20.) Korm. rendelet az országos településrendezési és építési követelményekről
The conditions and method of use and parcelling out of lands, and building must be determined by urban development plans and by local building regulations. Urban areas may be divided into built-up areas or non-built-up areas. These areas shall be classified, on the basis of their general use and characteristics, into various land use categories.