What will happen if the negative green code does not report back to Liuzhou?

Nothing will happen. Within 7 days, people without epidemic areas will pass through the customs with the green code of health code and the negative certificate of nucleic acid within 72 hours. It wouldn't be so bad if they went back to Liuzhou with a negative green code. Liuzhou, referred to as Hucheng and Longcheng for short, is a prefecture-level city under the jurisdiction of Guangxi Zhuang Autonomous Region. It is an important central city in central Guangxi Zhuang Autonomous Region and a sub-central city in Guangxi determined by the State Council.