10/26/2009 Modification of HQ H070862; Atmel expansion kit (STK600-TQFP64) 9/1/2009 Tariff Classification of Atmel starter kits, evaluation kits and expansion kits 8/29/2018 Request for internal advice; Classification of a Power Grid Protective Relay and Components References: 085281, 950120, 954972, 962946, 967519, N254412, N130617, N084496, H008631, N281443, N269937, N239877, N057186, H079395, H071900 12/12/2014 Internal Advice Request 13/013; classification of printed circuit board assemblies