Listening Quiz: Lưu Giữ Hồ Sơ Hải Quan Và Yêu Cầu Kiểm Toán – Medium Level

1. What is the conversation mainly about?
2. How long must businesses keep customs documents?
3. Which of the following is mentioned as a document businesses should keep?
4. What can be inferred about customs audits from the conversation?
5. What is true about the format of customs records?

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