In fact, this is a local regulation, and it is a specific disease prevention and management method formulated according to Article 11 of Chapter II and Article 32 of Chapter V of the Law on the Prevention and Control of Infectious Diseases in People's Republic of China (PRC).
Generally speaking, it is divided into provinces, autonomous regions or municipalities directly under the central government, so there is no problem with the health certificates issued by the health administrative departments of cities and counties in this province. However, due to the different implementation of laws in various places, there may be cross-provincial deviations.