Division 5

For the purposes of heading 8471, the expression ‘automatic data-processing machines’ means:

1. (a)

   digital machines, capable of

   1. (1)

      storing the processing program or programs and at least the data immediately necessary for the execution of the program;

   2. (2)

      being freely programmed in accordance with the requirements of the user;

   3. (3)

      performing arithmetical computations specified by the user; and

   4. (4)

      executing, without human intervention, a processing program which requires them to modify their execution, by logical decision during the processing run;

2. (b)

   analogue machines capable of simulating mathematical models and comprising at least: analogue elements, control elements and programming elements;

3. (c)

   hybrid machines consisting of either a digital machine with analogue elements or an analogue machine with digital elements.

Automatic data-processing machines may be in the form of systems consisting of a variable number of separate units. Subject to paragraph E below, a unit is to be regarded as being a part of a complete system if it meets all of the following conditions:

1. (a)

   it is of a kind solely or principally used in an automatic data-processing system;

2. (b)

   it is connectable to the central processing unit either directly or through one or more other units; and

3. (c)

   it is able to accept or deliver data in a form (codes or signals) which can be used by the system.

Separately presented units of an automatic data-processing machine are to be classified in heading 8471.

Printers, keyboards, X-Y coordinate input devices and disk storage units which satisfy the conditions of paragraphs (B)(b) and (B)(c) above, are in all cases to be classified as units of heading 8471.

Machines performing a specific function other than data processing and incorporating or working in conjunction with an automatic data-processing machine are to be classified in the headings appropriate to their respective functions or, failing that, in residual headings.