Legal analysis: According to the provisions of the State Administration of Foreign Exchange, the Customs and Hong Kong Customs have released foreign currency cash in accordance with the Interim Measures for the Administration of Entry and Exit jointly formulated by the General Administration of Customs. Foreign currency cash with a book value of $5,000-10000 has obtained the "proof of carrying". If it is necessary to apply to the local foreign exchange administration for approval if the above amount is exceeded, the "proof of carrying" shall also include the "special seal for handling foreign exchange business outside the bank" and the "approval seal for carrying foreign currency inside and outside the country by the State Administration of Foreign Exchange". Entry-exit personnel carrying foreign currency cash equivalent to more than 5,000 US dollars shall report to the Customs in writing.

Legal basis: Unless otherwise stipulated in Article 9 of People's Republic of China (PRC) Customs Law, the consignee or consignor of import and export goods may go through the formalities of customs declaration and tax payment by himself or entrust a customs declaration enterprise to go through the formalities of customs declaration and tax payment. The owner of inbound and outbound articles may go through the formalities of customs declaration and tax payment by himself or by entrusting others.