第二十一条进口许可证因故在有效期内未使用的，经营者应当在进口许可证有效期内向原发证机构提出延期申请。
Article 21 If import license is not used within term of validity for reasons, managers should make an extension application to license-issuing organs within term of validity.
在此类情况下，中国应将要求缩短许可证有效期的例外情况迅速通知进口许可程序委员会。
In such cases, China shall promptly notify the committee on import licensing of the exceptional circumstances requiring the shorter period of licence validity.
有效期内未使用或者未全部使用的进口许可证，按规定到调整后的发证机构办理延期手续。
If an import license is not used or not fully used within the period of validity, the operator shall go through formalities for extension at the adjusted license issuing agency.
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。
An import license shall be issued within the period of validity as prescribed by the documents of approval of the administrative department of import.
许可证的有效期应合理，不得过短而妨碍进口。
The period of licence validity shall be of reasonable duration and not be so short as to preclude imports.
“非一批一证”指：同一份《自动进口许可证》在有效期内可以分批次累计报关使用，但累计使用不得超过六次。
"Non a lot a license" means the same Automatic Import license may be used for customs declaration for different lots of goods within effective date, but no more than six times totally.
有效期内未使用或者未全部使用的进口许可证，按规定到调整后的发证机构办理延期手续。
Import license that has not been used or has not been used up may be handled extension formalities in the license-issuing organs after the readjustment in accordance with regulations.
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。
Import license should be issued in the term of validity stipulated in the approval documents of import administrations.
李先生，我们进口许可证的有效期到二月中截止，因此，我们无法延长信用证有效期。
Mr. Li, our import license was only running up to the middle of February, consequently we were not able to extend the validity of the letter of credit.
进口许可证应当在有效期内使用，逾期自行失效，海关不予放行。
Import license should be used within the term of validity. If it exceeds the time limit, it will lose efficacy automatically, and the customs will not grant clearance.
许可证的有效期不得妨碍自远地来源的进口，但进口产品需满足无法预料的短期要求的情况除外；
The period of licence validity shall not preclude imports from distant sources, except in special cases where imports are necessary to meet unforeseen short-term requirements;
第十二条进口货物许可证的有效期限为一年。
Article 12 The term of validity of an import licence shall be one year.
第十五条汽车产品《自动进口许可证》如在有效期内无法使用或未使用完，应在《自动进口许可证》有效期内退回原发证机关。
Article 15 If Automatic Import license of auto products could not be used or has not been used up in the time of efficacy, it should be sent back to license issuing organs.
第十六条收货人已申领的《自动进口许可证》，如未使用，应当在有效期内交回原发证机构，并说明原因。
Article 16 If the consignees have obtained Automatic Import license, but have not used it, they should hand it back to license issuing administrations within effective date and explain the reasons.
第十六条收货人已申领的《自动进口许可证》，如未使用，应当在有效期内交回原发证机构，并说明原因。
Article 16 If the consignees have obtained Automatic Import license, but have not used it, they should hand it back to license issuing administrations within effective date and explain the reasons.
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