Group 1 - The article discusses the process for renewing tax service agreements through the electronic tax bureau, emphasizing the need for companies to log in and manage their agreements effectively [2][3] - Companies must select the service duration and can make adjustments to service personnel or projects during the renewal process, which is confirmed by submitting the changes [2][3] - After submitting the renewal, companies need to log in to the electronic tax bureau to agree to the renewal, with the status changing to "in progress" once completed [3] Group 2 - The article outlines the regulations regarding the consumption tax for taxpayers dealing with goods subject to different tax rates, requiring separate accounting for sales and quantities [7] - If taxpayers do not separately account for different tax rates, the highest applicable tax rate will be used to calculate the consumption tax [7][8] - Specific examples illustrate the tax implications of selling goods at different rates, highlighting the importance of compliance with the consumption tax regulations [8]