Article 16 if final consumers do not use tariff quota within the period of validity of quota license, the original quota license should be returned to original license issuing organs.

第十六条最终用户未在配额证有效期内使用关税配额，需将配额证原件交回原发证机构。

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Documents to be presented within 15 days after shipment date but within the validity of the credit.

单据于装运日期后15天内提示银行，但必须在信用证的有效期内。

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An import license shall be issued within the period of validity as prescribed by the documents of approval of the administrative department of import.

进口许可证应当在进口管理部门批准文件规定的有效期内签发。

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