Legal analysis: banks should handle personal purchase and settlement of foreign exchange through the management information system designated by the foreign exchange bureau, truly and accurately enter relevant information, and keep personal business-related information for at least 5 years for future reference.

Legal basis: Measures for the Administration of Personal Foreign Exchange

Article 5 Individuals shall handle relevant foreign exchange business in accordance with the provisions of these Measures. Banks shall handle foreign exchange receipts and payments, settlement and sale of foreign exchange and open foreign exchange accounts for individuals in accordance with the provisions of these Measures, and examine the authenticity of valid identity documents and relevant certification materials submitted by individuals. Remittance agencies and foreign currency exchange agencies (including exchange points) handle personal foreign exchange business for individuals in accordance with the provisions of these Measures.

Article 6 A bank shall handle the personal purchase and settlement of foreign exchange through the management information system designated by the foreign exchange bureau, truthfully and accurately enter the relevant information, and keep the personal business-related information for at least five years for future reference.

Article 7 When handling personal foreign exchange business, banks and individuals shall abide by the relevant provisions of these Measures, and shall not evade quota supervision by splitting, or use false commercial documents or vouchers to evade authenticity management.