Land is the public property and it shall not be liable to sale, exchange, donation, mortgage except for cases envisaged by the national legislation. Legal persons can manage land parcels on condition of land usufruct, permanent use, temporary use, and lease, while natural persons can manage land parcels on condition of lifelong hereditary land tenure, temporary land tenure and lease. Sublease of the plots of land conceded on lease shall be prohibited. The right of lifelong land tenure, certified