Personal invoices will be notified via SMS within 3-7 working days. According to the "Invoice Management Regulations of the People's Republic of China", the tax authorities implement a computer network invoice system to manage the sales, issuance, inquiry, invalidation, and scrapping of invoices. After the invoices are shipped out of the warehouse, the tax authorities will upload the relevant information of the invoices to the network system of the State Taxation Bureau. Individual invoices can be issued smoothly and tracked within 3-7 working days.