On August 22 the Danish authorities implemented the requirement to wear face masks in public transport, including taxi, train, bus and ferry. After a clarification from the Danish authorities in beginning of September, the requirement also applies to Swedish flagged vessels operating in Danish waters. For Stena Line this includes the four vessels Stena Danica, Stena Jutlandica, Stena Vinga (on the Gothenburg-Frederikshaven route) and Stena Nautica (on the Halmstad –Granaa route).