Businesses need to prepare the following necessary information: Certificate of business registration or business license of equivalent value, proving that the business activities of the enterprise are legal. Specify to the tax authority that the product is a product of the manufacturing enterprise on the list of software products according to Circular 09/2013/TT-BTTTT. Provide information and evidence to explain software production activities of enterprises according to the guidance of Circular 16/2014/TT-BTTTT (From August 18, 08 onward) or Circular 2020/ 13/TT-BTTTT (From August 2020, 19).