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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General Signal generators, certified by the importer to be used for calibrating oscilloscopes, the foregoing each with five channels and no recording device (provided for in subheading 9030.89.01)................................................................................... 1/ 9902.17.39 On or before 12/31/2020 No change No change Free 1/ Signal generators, certified by the importer to be used for calibrating radio frequency measurement equipment, each presented without a recording device (provided for in subheading 9030.89.01) ............................................................. 1/ 9902.17.40 On or before 12/31/2020 No change No change Free 1/ 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).................................................... 1/ 9902.17.41 On or before 12/31/2020 No change No change Free 1/ 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)................................... 1/ 9902.17.42 On or before 12/31/2020 No change No change Free 1/ 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)................................... 1/ 9902.17.43 On or before 12/31/2020 No change No change Free 1/ 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)................................................................................... 1/ 9902.17.44 On or before 12/31/2020 No change No change Free 1/ Pillows, cushions and similar furnishings of cotton, each measuring over 4,000 cm² (provided for in subheading 9404.90.10)................................................................................... 1/ 9902.17.45 On or before 12/31/2020 No change No change 3.1% 1/ Pillows, cushions and similar furnishings, the foregoing of materials other than cotton, each measuring over 4,000 cm² (provided for in subheading 9404.90.20)................................... 1/ 9902.17.46 On or before 12/31/2020 No change No change 5.3% 1/ Electric light emitting diode (LED) lighting fittings, of base metal other than of brass, whether ceiling (hanging) or wall mounted, each with LED light source concealed above a quartz cylinder and designed to create a total internal reflection (provided for in subheading 9405.10.60) ......................................................... 1/ 9902.17.47 On or before 12/31/2020 No change No change Free 1/ Electric table or desk light-emitting diode (LED) task lamps, of base metal other than of brass, each with interchangeable mounting options including bases, clamps or other mounts (provided for in subheading 9405.20.60)................................... 1/ 9902.17.48 On or before 12/31/2020 No change No change 3.0% 1/ 1/ See chapter 99 statistical note 1. Rates of Duty 1 Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - II - 162 Note:The shaded areas indicate the provision has expired