1. It is prohibited to use waterway signs or marking (such as boards, buoys, floats, beacons, warning rafts with waterway signs) for mooring or warping vessels or assemblies of floating material, to damage them or to render them unfit for use.
2. When a vessel or an assembly of floating material has displaced or damaged any device or installation which is part of the system of waterway signs and marking, the boatmaster shall at once inform the nearest competent authority.
3. Every boatmaster has a general duty immediately to inform the nearest competent authority of any incident or accident affecting waterway signs or marking (such as failure of a light, displacement of a buoy, destruction of a sign).