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HSChapter 84
U.S. imports of automatic data processing units (nesoi) (HS 847180) totaled $2.8B in July 2026, traded with 70 countries.
Importers of Automatic Data Processing Units (NESOI) paid $5.0M in duties in July 2026 — an effective duty rate of 16% on $31.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Automatic Data Processing Units (NESOI) imports of $2.8B in July 2026 ran 70% above the year-to-date monthly average of $1.6B.
Last updated: July 2026 dataControl units, adapter units, and other ADP machine units not elsewhere specified — including units designed for incorporation into larger ADP systems — are classified under this heading, which serves as a catch-all for functional ADP subassemblies that do not meet the definitions of processing, storage, or input/output units. The US schedule distinguishes control or adapter units (8471801000), units for incorporation into ADP machines (8471804000), and other units (8471809000). Taiwan leads US import supply, with Vietnam and Mexico also significant sources. Because this heading is a residual category, classification disputes often arise when a subassembly could plausibly be classified as a part under heading 8473 instead; the distinction generally turns on whether the article is a functional unit in its own right.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
7.4K shipments/mo
A functional unit under 8471.80 performs a specific ADP function (control, adaptation, or processing) and is capable of being used in a system, whereas parts and accessories under 8473 are components that enable or support a machine's operation without being functional units themselves. The chapter notes and CBP rulings provide guidance, but the line can be fact-specific; consulting a licensed customs broker is advisable for novel configurations.
Network interface cards are generally classified under heading 8517 as communications apparatus, while GPU accelerator cards designed for ADP machines may fall under 8471.80 or 8473 depending on their configuration and how they are presented. CBP has issued binding rulings on specific products in this space, and importers should request a ruling for high-volume shipments to avoid reclassification risk.
Subheading 3 of 8 in heading 8471
Subheading 847180 · $2.8B of $45.2B
ImportsExports
Imports
$2.8BYoY · Pro
Exports
$566.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Taiwan and Mexico together supply 94% of it.
customs district
destination
entry
rate provision · imports
83.2% enters free of duty; the effective duty rate is 0.18%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8471804000 | Units,NESOI,for Incorporation Into ADP Machines | $2.3B | 0.04% | 0.57% | $862K |
| 8471801000 | Control or Adapter Units for ADP Machines | $418.2M | 0.70% | 2.99% | $2.9M |
| 8471809000 | Other Units, For Auto Data Processing Mach, NESOI | $46.3M | 2.59% | 11.73% | $1.2M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8471804000 | Units,NESOI,for Incorporation Into ADP Machines | $320.6M |
| 8471801000 | Control or Adapter Units for ADP Machines | $178.4M |
| 8471809000 | Other Units, For Auto Data Processing Mach, NESOI | $67.0M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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