This statement is correct.

CIF customer number customer identification file number is a customer identification number of Agricultural Bank of China, which is used to identify and distinguish different customers. When handling various services of Agricultural Bank of China, you need to provide a cif customer number, and the identification number cannot be empty.

If the user's cif customer number is indeed unavailable, you need to contact Agricultural Bank of China customer service to inquire about the specific situation to find a solution.