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HSChapter 84
U.S. imports of automatic data processing units (nesoi) (HS 847180) totaled $1.6B in April 2026, traded with 61 countries.
Importers of Automatic Data Processing Units (NESOI) paid $4.8M in duties in April 2026 — an effective duty rate of 18% on $26.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Automatic Data Processing Units (NESOI) imports of $1.6B in April 2026 ran 32% above the year-to-date monthly average of $1.2B.
Last updated: April 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.
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.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8471801000 | CONTROL OR ADAPTER UNITS FOR ADP MACHINES | $1.2B | 16.41% | $2.4M |
| 8471804000 | UNITS,NESOI,FOR INCORPORATION INTO ADP MACHINES | $349.6M | 14.32% | $904K |
| 8471809000 | OTHER UNITS, FOR AUTO DATA PROCESSING MACH, NESOI | $41.8M | 26.45% | $1.5M |
CONTROL OR ADAPTER UNITS FOR ADP MACHINES
UNITS,NESOI,FOR INCORPORATION INTO ADP MACHINES
OTHER UNITS, FOR AUTO DATA PROCESSING MACH, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8471809000 | OTHER UNITS, FOR AUTO DATA PROCESSING MACH, NESOI | $370.2M |
| 8471804000 | UNITS,NESOI,FOR INCORPORATION INTO ADP MACHINES | $318.9M |
| 8471801000 | CONTROL OR ADAPTER UNITS FOR ADP MACHINES | $155.1M |
OTHER UNITS, FOR AUTO DATA PROCESSING MACH, NESOI
226.1K no
UNITS,NESOI,FOR INCORPORATION INTO ADP MACHINES
209.7K no
CONTROL OR ADAPTER UNITS FOR ADP MACHINES
298.9K no
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
TURBOJET AND TURBOPROLLER PARTS
HS 841191
TURBOJETS OF A THRUST EXCEEDING 25 KN
HS 841112
| State | Imports | Exports | Balance |
|---|---|---|---|
| Nevada | $384.7M | $444.1M | +$59.3M |
| New Jersey | $661.9M | $31.8M | -$630.1M |
| Texas | $193.8M | $176.5M | -$17.3M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAN FRANCISCO INTERNATIONAL AIRPORT, CA | $445.4M | $451.7M | +$6.3M |
| CHICAGO, IL | $412.0M | $10.2M | -$401.8M |
| DALLAS-FORT WORTH, TX | $191.3M | $57.5M | -$133.8M |