Group 1 - The article discusses the updated operational guidelines for the new electronic tax bureau, specifically addressing how to remove the association of a tax officer after leaving a company [7] - It outlines the steps for adding a tax officer, including selecting identity type, confirming information, and submitting the details [4][6] - The article emphasizes the importance of tax deduction certificates, detailing the requirements for invoices and receipts based on the type of business and tax registration status [11][12] Group 2 - It mentions the criteria for small-scale business operations, indicating that sales revenue must not exceed the threshold set by VAT policies [11] - The article references the regulations regarding fixed asset depreciation, specifying which assets are eligible for tax deductions [15]