Listening Quiz: Yêu Cầu Chứng Nhận An Toàn Thực Phẩm – Advanced Level

1. What must every supplier provide under the new rules?
2. Why is the certificate necessary?
3. How long do suppliers have to submit the certificates?
4. What will happen if a supplier does not submit the certificate on time?
5. How will the company inform suppliers about the new requirement?

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