Group 1 - The article introduces a series of promotional and educational products called "First Lesson for New Businesses" aimed at helping new taxpayers understand tax matters and procedures [2] - It emphasizes the importance of using the national standardized electronic tax bureau for tax-related processes [5] - The article outlines the features of the "Taxpayer Interaction Service," including intelligent consultation, human interaction, and the ability to leave messages or make appointments for assistance [5] Group 2 - The article discusses a tax refund policy for individuals selling their homes and purchasing new ones within a specified timeframe, specifically from October 1, 2022, to December 31, 2025 [10] - It details the conditions for tax refunds, including that the sale and purchase must occur within the same city and that the taxpayer must be directly related to the new property [14][15] - The policy is based on official announcements from the Ministry of Finance and the State Taxation Administration regarding support for residents purchasing new homes [18]