520543010

HS code 520543010 (Chapter 52 "Cotton"; Heading 5205 "COTTON YARN (OTHER THAN SEWING THREAD), CONTAINING 85% OR MORE BY WEIGHT OF COTTON, NOT PUT UP FOR RETAIL SALE"; Subheading 520543 "- - Measuring per single yarn less than 232.56 decitex but not less than 192.31 decitex (exceeding 43 metric number but not exceeding 52 metric number per single yarn)") under the Japan tariff schedule classifies "1 Containing more than 10% by weight, separately or together, of synthetic fibres or acetate fibres". Japan customs apply General rate of 8.4%, WTO rate 5.6%. Statutory unit of measure: KG. 21 free trade agreement preferential rates are available for this code.