Which law did the customer violate when he entered the supermarket and showed his health code but refused to wear a mask?

Hello,

If you don't change your mind and go your own way,

Suspected of violating Article 77 of the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases.

"Units and individuals that, in violation of the provisions of this Law, cause the spread and epidemic of infectious diseases and cause damage to others' lives and property shall bear civil liability according to law. "

Good luck and hope to adopt it.