This Decree of the Ministry of Agriculture, which is composed of 31 articles, lays down the scope of data in the records on surface water and groundwater and the method of processing, storage and transmission of such data to information systems of the public administration. Individual articles describe evidence of: watercourses (art. 2), building on waterways (art. 3), hydrogeological regions (art. 4), water reservoirs (art. 5), heavily modified water bodies and artificial water bodies (art. 6),