This is not related to H-1B, but for some areas, i.e. if you work in the area, you need to have the license even if you are a US citizen, green card holder or foreigner to use EAD to work. See:
http://osp.mit.edu/compliance/export-control/guidance-documents/export-control-regulations/export-administration
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• 謝謝,清楚了。 -qinzhijiao- ♀ (42 bytes) () 08/20/2017 postreply 16:43:53