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U.S. Notes (con.) (22) Buffering/cushioning retention and alignment shafts, designed for use with buffering/cushioning systems of vehicles of heading 8605 or 8606 (described in statistical reporting number 8607.30.1000) (23) Buffering/cushioning retention caps, designed for use with buffering/cushioning systems of freight railcars of heading 8606 (described in statistical reporting number 8607.30.1000) (24) Draft pack rear aligning and overtravel protection members, designed for use with hybrid railcar cushioning systems of freight railcars of heading 8606 (described in statistical reporting number 8607.30.1000) (25) Follower block plates, designed for use with buffering/cushioning systems of freight railcars of heading 8606 (described in statistical reporting number 8607.30.1000) (26) Type F knuckles, designed for use with coupling systems of vehicles of heading 8605 or 8606 (described in statistical reporting number 8607.30.1000) (27) Digital clinical thermometers, valued not over $11 each (described in statistical reporting number 9025.19.8040 prior to July 1, 2020; described in statistical reporting number 9025.19.8010 or 9025.19.8020 effective July 1, 2020) (28) Portable, wireless enabled, electrical gas monitors (described in statistical reporting number 9027.10.2000) (ooo) The U.S. Trade Representative determined to establish a process by which particular products classified in heading 9903.88.01 and provided for in U.S. notes 20(a) and 20(b) to this subchapter could be excluded from the additional duties imposed by heading 9903.88.01. See 83 Fed. Reg. 28710 (June 20, 2018) and 83 Fed. Reg. 32181 (July 11, 2018). Subsequently, the U.S. Trade Representative sought public comment on additional modifications in this investigation in order to address COVID-19. See 85 FR 16987 (March 25, 2020). The U.S. Trade Representative has determined that, as provided in heading 9903.88.62, the additional duties provided for in heading 9903.88.01 shall not apply to the following particular products, which are provided for in the enumerated statistical reporting numbers: [Compiler's note: expired.] (1) Disposable plastic filters of a kind suitable for filtering and dehumidifying a patient's breath in a medical device such as a gas analyzer (described in statistical reporting number 8421.39.8090) (2) S-band and X-band linear accelerators designed for use in radiation surgery or radiation therapy equipment (described in statistical reporting number 8543.10.0000) (3) Disposable electrocardiograph (ECG) electrodes (described in statistical reporting number 9018.11.9000) (4) Ultrasonic scanning apparatus, each having dimensions not exceeding 122 cm by 77 cm by 127 cm, whether or not presented with transducer (described in statistical reporting number 9018.12.0000) (5) Blood pressure monitors suitable for use by medical professionals (described in statistical reporting number 9018.19.9530) (6) Digital peak flow meters suitable for use by medical professionals (described in statistical reporting number 9018.19.9550) (7) Fingertip pulse oximeters suitable for use by medical professionals (described in statistical reporting number 9018.19.9550) (8) Bismuth germanate crystals with set dimensional and surface finish requirements and used as a detection element in Positron Emission Tomography (PET) detectors (described in statistical reporting number 9018.19.9560) (9) Magnetic resonance imaging ("MRI") patient enclosure devices, each incorporating radio frequency and gradient coils (described in statistical reporting number 9018.19.9560) (10) Parts and accessories of capnography monitors (described in statistical reporting number 9018.19.9560) (11) Disposable surface electrodes for Intra-operative neuromonitoring ("IONM") systems, each composed of a surface electrode pad, an insulated wire, and a standard DIN 42802 connector (described in statistical reporting number 9018.19.9560) (12) Otoscopes (described in statistical reporting number 9018.90.2000) Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - III - 284