This is the best tl;dr I could make, original reduced by 85%. (I’m a bot)
The law, which came into effect last week, was part of an anti-food waste campaign that swept across the country last year after Chinese President Xi Jinping called food waste a “Distressing” problem that threatened China’s food security.
The law also requires banquet organizers and diners to order the right amounts of food when eating out.
It’s a common practice in China for hosts to order more food than needed, especially at business or family gatherings, to demonstrate their wealth and hospitality.