new heading: 9902.16.85 Flat panel liquid crystal display (LCD) television reception apparatus, each including a television tuner, designed for incorporation into exercise equipment (provided for in subheading 8528.72.72) Free No change No change On or before 12/31/2020 . 1565. Ground fault circuit interrupters rated at 15 amps Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.16.86 15 Amp ground fault circuit interrupters (provided for in subheading 8536.30.80) 0.3% No change No change On or before 12/31/2020 . 1566. Ground fault circuit interrupters rated at 20 amps Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.16.87 Ground fault circuit interrupters rated at 20 A (provided for in subheading 8536.30.80) Free No change No change On or before 12/31/2020 . 1567. Arc fault circuit interrupters or dual function arc fault and ground fault circuit interrupters Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.16.88 Arc fault circuit interrupters, including dual function arc/ground fault circuit interrupters (provided for in subheading 8536.30.80) Free No change No change On or before 12/31/2020 . 1568. Lamp-holder housings of porcelain Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.16.89 Lamp-holder housings of porcelain, containing sockets (provided for subheading 8536.61.00) Free No change No change On or before 12/31/2020 . 1569. Chassis or shelving containing backplane Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.16.90 Assemblies each comprising a chassis or shelving of subheading 8517.70 combined with a backplane (panel/distribution board) equipped with two or more apparatus of heading 8535 or 8536, for electric control or the distribution of electricity, for a voltage not exceeding 1,000 V (provided for in subheading