B or 4A906.c. BIS is including ECCN 4D906 to the CCL to regulate “application” “specially built” or modified for the “improvement” or “output” of commodities controlled by 4A906.b or 4A906.c. BIS is introducing ECCN 2E910 on the CCL to control “know-how”, not specified in other places, “specially built” or modified https://kingslists.com/story19168417/the-basic-principles-of-electrical-inspection