(3) How to apply for the write-off of advance payment and final payment of import foreign exchange? After paying the advance payment, the importer shall report to the foreign exchange bureau for arrival verification in time; When the final payment is made, the importer shall pay the foreign exchange to the bank with the original contract, invoices and other documents, the copy of the customs declaration that has been written off at the foreign exchange bureau, and the Verification Form for Payment of Foreign Exchange for Trade Import with the seal of examination and approval. Then, the verification form for payment of foreign exchange for trade import (the bank shall indicate the sum as the final payment), a copy of the customs declaration form for imported goods and the verification form for payment of foreign exchange for trade import shall be submitted to the foreign exchange bureau for approval. (4) How to apply for import verification and approval under bonded warehouse? Import contract, verification form for import payment of foreign exchange, special payment form for customs collection or customs exemption certificate, original import declaration form for bonded goods stamped with customs inspection stamp (i.e. original import declaration form for bonded warehouse goods stamped with customs inspection stamp) and original import declaration form for bonded warehouse goods stamped with customs inspection stamp (i.e. original import declaration form) shall be provided. The amount of the warehousing declaration form shall not be greater than the total amount of the warehousing declaration form. Therefore, the foreign exchange bureau will not write off the items marked as processing with supplied materials or assembling with supplied parts or processing with samples in the column of trade mode, and the designated foreign exchange banks will not handle the foreign exchange sales and payment business for them. (6) How to apply for import verification under equipment of joint ventures or equipment and articles of foreign-funded enterprises? Where the mode of trade is tax-free for joint venture equipment or foreign-funded equipment and articles, the applicant shall apply to the foreign exchange bureau with the import contract, invoice, enterprise certificate approved by the foreign trade department, joint venture contract, articles of association, original import list of joint venture equipment approved by the foreign trade department, capital verification report, customs tax exemption certificate and valid vouchers and commercial documents corresponding to the payment method, and go through the formalities of sale and payment of foreign exchange at the designated foreign exchange bank with the notice of sale and payment issued by the foreign exchange bureau, and then go through the formalities of declaration and examination at the foreign exchange bureau. (8) How to apply for import write-off under deep processing carry-over (factory transfer)? 1. For the payment of foreign exchange for imported materials and processed materials approved by the customs, the following documents for sale and payment of foreign exchange and verification procedures shall be provided: (1) Original import declaration form with the country (region) of shipment being China people and the mode of trade being deep processing of imported materials; (2) A copy of the original import declaration form with anti-counterfeiting label and customs inspection seal, in which the country (region) of arrival of the transferor enterprise is People's Republic of China (PRC) and China, and the mode of trade is processing with supplied materials; (3) Transfer contract; (4) Import foreign exchange payment verification form. 2. If the imported materials are approved for import by the customs, the following documents shall be submitted when going through the formalities of verification of sales and payment of foreign exchange: (1) A copy of the original import declaration form with People's Republic of China (PRC) as the country of shipment and deep processing of imported materials, with anti-counterfeiting label and customs inspection stamp affixed; (2) A copy of the original import declaration form of the transferor enterprise whose country (region) of arrival is People's Republic of China (PRC) and whose mode of trade is deep processing of raw materials, affixed with anti-counterfeiting label and stamped with the customs inspection stamp; (3) A copy of the verification form of export proceeds stamped by the transferor's enterprise; (4) Transfer contract; (5) Import payment verification form.