II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.41 Output-only signal generators, each with configurable phases and harmonics designed for calibrating power and energy equipment, the foregoing without a recording device (provided for in subheading 9030.89.01) Free No change No change On or before 12/31/2020 . 1620. Chiming melody battery operated clock movements Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.42 Battery-operated chiming melody clock movements, complete and assembled, valued over $5 each, suitable for use in the production of grandfather clocks, wall clocks and mantel clocks (provided for in subheading 9109.10.80) Free No change No change On or before 12/31/2020 . 1621. Mechanical clock movements Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.43 Mechanical clock movements, presented complete and assembled, valued over $5 each, suitable for use in the production of grandfather clocks, wall clocks or mantel clocks (provided for in subheading 9109.90.60) Free No change No change On or before 12/31/2020 . 1622. Chime melody rod assemblies Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.44 Chime melody rod assemblies and parts thereof, the foregoing suitable for use in the production of grandfather clocks, wall clocks and mantel clocks (provided for in subheading 9114.90.50) Free No change No change On or before 12/31/2020 . 1623. Pillows, cushions, and similar furnishings of cotton Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.45 Pillows, cushions and similar furnishings of cotton, each measuring over 4,000 cm² (provided for in subheading 9404.90.10) 3.7% No change No change On or before 12/31/2020 . 1624. Pillows, cushions, and similar furnishings of material other than cotton Subchapter II of chapter 99 is