As you know, the success of the AEC’s trade orders against the Chinese aluminum extrusion industry has been built on the scope of our orders.  The AEC orders cover aluminum extrusions including fabricated, finished, and even kitted products as long as the merchandise in question does not make a final complete product.  This scope has enabled us to protect end uses such as curtain wall, door thresholds, window and door kits, and a whole range of products extruders routinely produce.  However, in 2016 the Department of Commerce decided in the side mount valve case that ‘final and finished’ must include sub-assemblies.  This decision caused a shift in the DOC’s views about which products would be covered by our orders.  Consequently, we saw solar mounting systems, as well as several tube, pipe, and pole products be excluded from our case.  This also breathed life into more scope challenges as importers saw a chance to get their sub-assemblies excluded as well....