HTS code 9902.12.83 covers "Woven fabrics of cotton, bleached, of yarn numbers 43 to 68, put up in continuous rolls measuring 74 cm or more but not over 184 cm in width and 1640 m or more but not over 6500 m in length (provided for in subheading 5208.21.40)" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.