1·Article 6 import License is a legal certificate of national administration of goods import.
第六条进口许可证是国家管理货物进口的法律凭证。
2·The customs shall retain the original version of the license certificate for import and export, and may retain the copies or duplicates of the rest of the documents.
海关应当留存进出口许可证件的正本，其余单证可以留存副本或复印件。