The voucher must be used on the selected date and within operating hours; Invalid after expiration Invoice issuance path: Follow our official WeChat account: Jiuzhaigou Tourism Information Platform - click on the menu to apply for an invoice - enter your ID card number. Invoicing Instructions: The package includes entrance tickets and sightseeing bus tickets, both of which can be invoiced by the customer. You must leave the valley before 6 PM. Staying overnight inside the valley is strictly prohibited. Anyone found doing so will be held accountable under relevant laws and regulations. Kind tips According to the "Notice on Strengthening the Management of Tourism Activities in Undeveloped and Open Areas" (Sichuan Culture and Tourism Development [2023] No. 83) jointly issued by the Sichuan Provincial Department of Culture and Tourism, the Sichuan Provincial Department of Water Resources, and the Sichuan Provincial Forestry and Grassland Bureau, in order to effectively ensure the travel safety of tourists, we hereby remind you: Please strictly abide by laws, regulations, and relevant management rules of the scenic area. Do not enter areas not open for tourism without authorization. Recognize that you are primarily responsible for your own safety. Anyone who enters areas not open for tourism without authorization and causes damage to natural resources or the ecological environment, or personal injury or death, will bear corresponding personal responsibility.