No change On or before 12/31/2024 . 4789. Plastic clip fasteners Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.26.06 Fasteners of nylon or of polypropylene, with a filament length of 2.5 mm or more but not over 127 mm, presented on clips each holding the quantity of 25, 50, 100 or 120 pieces, suitable for use in a mechanical attaching device (provided for in subheading 3926.90.85) 3.6% No change No change On or before 12/31/2024 . 4790. Self-venting spouts for diesel exhaust fluid Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.26.07 Self-venting spouts or nozzles, threaded for connection to plastic containers on one end and fitted for connection to diesel exhaust fluid (DEF) tanks of diesel motor vehicles on the other, the foregoing presented without the containers (provided for in subheading 3926.90.99) 0.6% No change No change On or before 12/31/2024 . 4791. Plastic pet carriers Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.26.08 Carrying cases of hard plastics, each with handle and door of plastics and with no door of metal, the foregoing designed for use for reptiles or amphibians and not for the housing or transport of mammals, measuring not over 381 mm on any side (provided for in subheading 3926.90.99) Free No change No change On or before 12/31/2024 . 4792. Plastic mixing tips Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.26.09 Plastic mixing tips, each consisting of a mixer housing, mixing elements and a retaining ring, each designed for use as a disposable mixing tip for two-part chemistries in the dental industry (provided for in subheading 3926.90.99) Free No change No change On or before 12/31/2024 . 4793. Cable ties of plastics Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.26.10 Cable ties of nylon,