Certain geographic data restrictions are in effect in China. Data is changed by an algorithm that randomly shifts latitude and longitude coordinates for national security purposes. It is recommended to take this into account and independently verify the property's exact location. Mandatory Fees and Taxes • According to public security regulations, mainland Chinese guests aged under 16 years old accompanied by parents must provide a mainland Chinese ID card or household registration (a birth certificate and household registration are required for infants) when checking in at the hotel. If the abovementioned ID card or household registration cannot be provided, a proof of ID issued by the local police station must be provided.