Core Points - The General Administration of Customs has introduced a pilot program allowing entities in the integrated circuit industry to self-declare import tax exemption documents, with customs conducting post-audit and inspections [1][19] - The "Single Window" system has been upgraded to support this new self-declaration model, streamlining the process for businesses [1] Application Process - The application process for self-declaration involves selecting the "self-declaration" option in the import customs declaration interface [2] - Detailed information must be entered in the self-declaration application interface after selecting the self-declaration option [2] - The self-declaration model applies to all types of customs declarations under import goods, with specific exemption categories required [5] Submission and Querying - When submitting a self-declaration customs declaration, businesses can choose between "assisted submission" or "manual submission" [6] - The status of self-declaration data can be queried in the exemption tax system, allowing businesses to check for submission failures and make necessary modifications [9][11] Modification and Cancellation - Businesses can apply for modifications or cancellations of self-declaration exemption tax data through designated menus in the exemption tax system [14][17] Pilot Scope - The pilot program will be conducted from September 19, 2025, to November 30, 2025, across 12 customs districts including Beijing, Shanghai, and Shenzhen [19]