The default date of information belonging to is 3 years. The silver tax service platform is a silver tax interactive comprehensive service platform, the default date of uploading information belonging to the date is 3 years, the starting date default is the cut-off date forward 3 years, taxpayers can choose the default starting date, the platform relies on the Internet + big data + artificial intelligence, tax-based lending, vote to mention the credit, free of charge for the small and medium-sized micro and medium-sized enterprises to provide financing services, to help small and medium-sized micro and medium-sized enterprises to solve the problem of difficult financing and expensive financing.