Pub. L. 111-227, tit. I, sec. 1162
POROUS HOLLOW FIBERS.
SEC. 1162. POROUS HOLLOW FIBERS. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “9902.40.75Porous hollow filaments of perfluoroalkoxy (PFA) copolymer resin, the foregoing certified by the importer as having pore sizes of less than 0.05 microns and with a maximum fiber diameter of 1 mm (provided for in subheading 5404.19.80)FreeNo changeNo changeOn or before 12/31/2012”.