Section 11 Textiles and textiles articles 52 Cotton 52 05 Cotton yarn (other than sewing thread), containing >=85% cotton by weight, not purs 52 05 31 Measuring per single yarn 714.29 decitex or more (not exceeding 14 metric per single ..) Commodity Code Description 52 05 31 00 Measuring per single yarn 714.29 decitex or more (not exceeding 14 metric per single ..)