Section 11 Textiles and textile articles 50 Silk 50 03 Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock). 50 03 00 Silk waste (including cocoons unsuitable for reeling, yarn waste and garnette stock). Commodity Code Description 50 03 00 00 Silk waste (including cocoons unsuitable for reeling, yarn waste and garnette stock).