Charging for leftovers in buffet restaurants A social norm of charging for leftovers emerging in many buffet restaurants in Germany, such as Yuoki in Stuttgart and Okinii in Dusseldorf.Implementing actor: Buffet retaurants, especially those with all-you-can-eat business models. Target audience: Customers.On-goingGermany (national)Preventionhttps://www.cntraveler.com/story/in-germany-you-may-be-fined-if-you-dont-finish-your-mealXXXX