并税问答·系统操作 | 如何在电子税务局进行跨区域涉税事项增值税预缴申报？

Group 1 - The article discusses the process for taxpayers to confirm and submit tax declaration data, including the ability to modify tax source information and submit multiple tax sources at once [2][9][12] - Taxpayers can view all tax source declaration information and filter by the competent tax authority for easier submission [2][9] - The system provides prompts for existing prepayment declarations and allows for a preview of the declaration before submission [2][12] Group 2 - Instructions are provided for changing or voiding corporate income tax clearance reports, including the need to submit within specific timeframes [9][11] - The article outlines the steps for modifying clearance report information, such as clearance dates and reasons, and emphasizes the importance of timely submission to the tax authority [11][18] - If a taxpayer has already completed certain tax declarations, they must void those before they can void the clearance report [18][19]