staple fibers with a fiber length between 48 and 60mm and a solar reflectance index less than 10 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.13.16 Acrylic staple fibers (polyacrylonitrile staple) containing 85 percent or more by weight of acrylonitrile units and 2 percent or more but not over 3 percent of water, colored, crimped, with a decitex between 1.98 and 2.42 and fiber length between 48 and 60 mm, certified by the importer as having a solar reflectance index less than 10 (provided for in subheading 5503.30.00) Free No change No change On or before 12/31/2020 . 1199. Acrylic staple fibers with a fiber length between 48 and 60mm and a solar reflectance index between 10 and 30 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.13.17 Acrylic staple fibers (polyacrylonitrile staple) containing 85 percent or more by weight of acrylonitrile units and 2 percent or more but not over 3 percent of water, colored, crimped, with a decitex between 1.98 and 2.42 and fiber length between 48 and 60 mm, certified by the importer as having a solar reflectance index between 10 and 30 (provided for in subheading 5503.30.00) Free No change No change On or before 12/31/2020 . 1200. Acrylic staple fibers with a fiber length between 48 and 60mm and a solar reflectance index greater than 30 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.13.18 Acrylic staple fibers (polyacrylonitrile staple) containing 85 percent or more by weight of acrylonitrile units and 2 percent or more but not over 3 percent of water, colored, crimped, with a decitex between 1.98 and 2.42 and fiber length between 48 and 60mm, certified by the importer as having a solar reflectance index greater than 30 (provided for in subheading 5503.30.00) Free No change No change On or before 12/31/2020 . 1201. Modacrylic staple fiber with a decitex of 1.7 and a fiber length of 38mm Subchapter II of