This Regional Law establishes that Regional Cabinet of Ministers shall carry out the following plenary powers: (a) ownership, management and disposal of waterbodies pertaining to state property; (b) adoption of legislative acts; (c) establishment of water charges; (c) reservation of potable water supply sources; and (d) validation of the rules of navigation for small-size vessels. Regional Cabinet of Ministers shall carry out the following tasks in the sphere of subsoil management: (a) adoption