; presented in bulk, sheets or rolls, designed for use in motor vehicles of heading 8703 (provided for in subheading 6806.10.00). Free No change No change On or before 12/31/2020 . 1355. Large format ultra-compacted ceramic surfaces Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.14.74 Stoneware ceramic slabs each measuring at least 320 cm in length by 144 cm in width (provided for in subheading 6914.90.80) 4.9% No change No change On or before 12/31/2020 . 1356. Glass beads from 3 to 6 mm in diameter Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.14.75 Glass in balls (other than microspheres of heading 7018), unworked and not comprising made-up articles, each measuring over 3 mm but not over 6 mm in diameter (provided for in subheading 7002.10.10) Free No change No change On or before 12/31/2020 . 1357. Polished wired glass in rectangular sheets Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.14.76 Wired rolled glass, surface ground and polished but not further worked, presented in rectangular shapes and with a thickness of 6.35 mm or more, designed to retain glass fragments within wired sashes when shattered due to exposure to fire or impact (provided for in subheading 7005.30.00) Free No change No change On or before 12/31/2020 . 1358. Meniscus-shaped drawn glass-ceramic discs Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.14.77 Discs of drawn glass, each measuring between 1.4 m and 1.7 m in diameter, between 40 and 50 mm in thickness and between 200 and 250 kg in weight, the foregoing having been machined so as to render one surface concave in shape and the opposite surface convex in shape, the foregoing not framed or fitted with other materials and not designed to manipulate light to create an optical effect (provided for in subheading 7006.00.40) Free No change No change On or