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April 2024, question 31
Classification · Classification: GRIs, notes and headings
What is the CLASSIFICATION of a sound signaling apparatus imported with two components, Part A and Part B, that is battery operated, wireless, and has the following additional characteristics? Part A is a chime unit that is placed inside a home no more than 150 feet from an exterior door. It has a radio frequency (RF) receiver. Part B is a backlit button that, when pressed, sends an RF signal to the receiver in Part A, resulting in a chime sound. Part B is placed outside the home near the exterior door.
- 8512.30.0040
- 8531.80.1500
- 8531.80.9041
- 8538.80.0000
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CBP's answer: B. B: 8531.80.1500
The wireless chime unit plus its push button is a set of electric sound signaling apparatus. Under GRI 1, heading 8531 covers electric sound or visual signaling apparatus such as bells, and subheading 8531.80.15 is the line for doorbells, chimes, buzzers and similar apparatus (B).
Doorbells, chimes, buzzers and similar apparatus 8531.80.15.00
Search for: doorbells, chimes, buzzers
CBP's key cites: HTSUS 8531.80.1500; General Rules of Interpretation
Question and key from CBP's April 2024 exam and answer key. The walk-through is ours; quotes are from the pinned editions in the reference viewer (HTSUS 2026 Basic, 19 CFR 2025 edition).