b or 4A906.c. BIS is introducing ECCN 4D906 on the CCL to manage “software program” “specially developed” or modified for the “development” or “production” of commodities managed by 4A906.b or 4A906.c."H2o problems. It's A 3 unit block with a flat roof. H2o drains through the roof in the top unit. H2o proofing needs to be completed … Read More