The administrative departments of export licenses shall decide whether to grant a license or not within 30 days after receiving the application.

出口许可证管理部门应当自收到申请之日起30天内决定是否许可。

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Huawei submitted a timely request to the Bureau of Industry and Security at the Department of Commerce in advance of completing the purchase in May and the Department of Commerce certified that no license was required to export the 3Leaf technology.

FORBES: Huawei's Open Letter To U.S. Investigators

Technical military data covered by US export regulations cannot be taken out of the country without a license.

BBC: US jails Chinese engineer for exporting trade secrets