Nowadays, any activity that may change the conditions in the cave requires official permission. They form part of the Transboundary Biosphere Reserve and the Ag-gtclek (Hungary) and Slovensky kras (Slovakia) National Parks. Both are included in the World Heritage List, and are part of the Natura 2000 network. There is good cooperation in terms of cultural programmes, tourism and sport, public events and publications. An Agreement on cooperation between the State Nature Conservancy of Slovakia and the Ag-gtelck National Park Directorate in Hungary (2001) is followed up through annual implementation protocols.