Can I send a bill to my customer on the first day of the new year?

Better not. People in our country pay more attention to this custom, which will bring a very bad meaning, make people uncomfortable and may lose this customer.

No matter what age we are, we should have an emotional intelligence to treat people, understand our most basic traditions, avoid joking, don't pay the bill in the morning, and don't say that today is the first day of the new year, which will directly change our impressions. Very often, a trivial matter will cause a very serious consequence, so we should think about our behavior, supervise and standardize our behavior, and never make a mistake again and become a permanent regret. I hope my answer can help.