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A data processing machine is a computer or computer system that takes in data, performs operations on it, and produces data or another useful output. It may collect, store, organize, analyze, or transform information. The machine can be a single device, such as a desktop computer, or a set of interconnected units.
What does a data processing machine do?
In plain terms, a data processing machine handles information according to operations or instructions. It may accept data from a person or another device, work on that data, store it, and provide a result. The result might be organized information, a calculation, a display, or data that another system can use.
The Illustrated Dictionary of Electronics defines a “data-processing machine” as a computer or system used to collate, store, analyze, and reduce data, in contrast with one used primarily to solve problems or perform routine tasks. It also lists “data processor” as an alternate term. The ordinary distinction is about the machine’s role in handling data, not whether it is one physical box.
Examples and system components
A computer as the familiar example
A desktop computer is a straightforward example: it can accept information through a keyboard or scanner, process it using programs, store it, and show or otherwise output results. This is an illustration of the term, not a claim about the tariff classification of any particular model.
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A system can be more than one device
In U.S. tariff ruling H326071, Customs and Border Protection describes an automatic data processing system whose central processing unit, input unit, and output unit may be housed together or arranged as interconnected separate units. The ruling gives a keyboard or scanner as examples of input units and a display as an output unit. Thus, “computer system” can be more accurate than “machine” when the work is shared among connected equipment.
What “automatic data processing machine” means in U.S. tariff law
The phrase “automatic data processing machine” has a narrower legal meaning in U.S. tariff classification than the general phrase “data processing machine.” In its 2023 ruling H326071, U.S. Customs and Border Protection summarizes the relevant Chapter 84 note. In that tariff context, a machine must be capable of:
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- Storing processing programs and the data immediately needed to run them.
- Being freely programmed to meet the user’s requirements.
- Performing arithmetic computations specified by the user.
- Executing a program without human intervention when logical decisions require it to change the course of execution.
These are criteria for the stated U.S. tariff context, not a universal test for whether something can process data. A device may handle data in the everyday sense without meeting the legal definition used for a particular tariff classification.
Official explanatory language quoted by CBP
H326071 reproduces explanatory material for heading 8471 describing data processing as “the handling of information of all kinds, in pre-established logical sequences and for a specific purpose or purposes.” It also quotes the explanation that automatic data processing machines perform logically interrelated operations under pre-established instructions (a program) to furnish data usable as-is or as input to further data processing. These passages describe the tariff terminology as quoted in the CBP ruling.
When classification depends on a device’s function
For U.S. tariff purposes, CBP states that equipment incorporating or working with an automatic data processing machine may be classified according to a specific function other than data processing, or under an appropriate residual heading. The device’s role therefore matters; merely connecting to a computer does not settle its classification.
Jurisdictions may reach decisions under their own tariff rules. In the 2007 Olicom A/S v Skatteministeriet judgment, the Court of Justice of the European Union considered network and modem cards designed to transfer and convert signals for computer use. In that case, the court treated the described transfer and conversion as data processing rather than as a separate specific function. That EU decision and the U.S. ruling are jurisdiction-specific interpretations, not one worldwide product-classification rule.
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Practical way to understand the term
When describing an unfamiliar device, ask what it does with data and how it fits into a larger system:
- Can the user program it, and does it store and run programs?
- Does it accept, transform, store, or output data?
- Does it operate alone or as one unit in an interconnected system?
- Is its main role general data processing, or a specialized function such as a particular kind of signal handling?
These questions help explain a device’s practical role. They do not replace the current tariff language or the applicable authority’s rules when a customs classification decision is required.
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