热点问答丨个人所得税App提示“贷款合同编号跟以前年度不一致”，怎么办？操作方法

Group 1 - The core point of the article is the initiation of the confirmation process for the 2026 individual income tax special additional deductions starting from December 1, allowing taxpayers to use the personal income tax app and the natural person electronic tax bureau web portal for "one-click entry" [2] - Taxpayers may encounter issues when confirming housing loan interest deductions, particularly if the loan contract number does not match previous years, which requires careful checking for consistency in formatting [3][4] - There are three scenarios that may lead to discrepancies in loan contract numbers: 1) Same housing with unchanged loan contract number; 2) Same housing with a changed loan contract number; 3) Different housing, where only one set of housing loan interest deductions can be claimed [5][6][7] Group 2 - If there is an error in reporting for a specific year, taxpayers can modify the loan information directly in the reporting details page, while multiple errors require the cancellation and re-filing of the incorrect records [6] - In cases where the loan contract number has changed due to refinancing or other reasons, taxpayers must indicate this in the system and provide supporting documents [6] - Taxpayers are reminded that the deadline for confirming the 2026 individual income tax special additional deductions is December 31, 2025, and they should complete the process promptly [7]