Group 1 - The article emphasizes the importance of maintaining project information before issuing invoices, highlighting the need for accurate data entry to avoid issues during the invoicing process [3] - It provides a reminder for users to extend the validity of facial recognition authentication to prevent bulk invoicing failures, suggesting the download of a specific template for bulk invoice issuance [3] - The article mentions the support from the National Taxation Bureau and the local tax authority, indicating a collaborative effort to streamline the invoicing process [5] Group 2 - The content includes instructions for users on how to find and maintain tax codes for goods and services, which is essential for proper invoicing [3] - It outlines the necessity of filling in specific details such as buyer information and project classification to ensure compliance with tax regulations [3] - The article also notes that the platform mentioned is a non-official resource aimed at providing learning materials and should not be considered as the standard for actual tax fees [5]