Group 1 - The article discusses the process for withholding agents to operate the comprehensive income withholding tax declaration [3] - It specifies that only "occasional income" and "interest, dividends, and bonus income" can be subject to summary declaration [4] - The article outlines the procedures for correcting errors in tax declarations, including steps for both withholding and agency declarations [5]

Group 1 - The article discusses the process of handling failed data imports in tax deduction systems, emphasizing the need for taxpayers to ensure that their input data matches the required templates to avoid errors [3] - It provides guidance for tax withholding agents on how to prepare data for the next month, highlighting the importance of confirming the status of current month calculations before proceeding [4] - The article clarifies that printed tax payment certificates can be voided and reprinted before actual payment at the bank, ensuring flexibility for taxpayers [5]

Group 1 - Taxpayers cannot modify or delete the special additional deduction information collected through the "Individual Income Tax" APP; they can only void or modify it through the APP, the natural person electronic tax bureau web portal, or in person at the tax service hall [2] - If the withholding agent has previously collected the taxpayer's information, the taxpayer's information can be synchronized to the withholding end if the taxpayer later updates their information in the "Individual Income Tax" APP; otherwise, it cannot [3] - Withholding agents can update the withholding end with the latest special additional deduction information by clicking the "Download Update" button on the special additional deduction information collection page or by selecting "Download Update" - "Designated Personnel" [4]