【轻松办税】2026年电子税务局重点税源采集开始啦，操作指南看这里

Group 1 - The article discusses the collection of supplementary information for key tax sources, which has already begun for 2026 [2][3] - Key tax source enterprises are identified based on their tax payment status, with the final list to be confirmed by the tax authority [3] - Enterprises are required to submit relevant reports monthly, with submission deadlines aligned with tax collection periods [4] Group 2 - The process for filling out the supplementary information collection involves logging into the electronic tax bureau and navigating to the appropriate module [5] - After entering the collection page, enterprises must fill out various forms including basic information, tax information, product details, and financial information [7][9] - The system provides a validation feature to check for errors and discrepancies before submission, ensuring data accuracy [8][10] Group 3 - The first month's economic condition report requires verification of specific data from the previous year, particularly personal income tax figures, as these affect annual audits [11] - Once submitted, the data will be locked and cannot be modified unless a special request is made to the tax authority [12]