# The Export of Goods (Control) Order 1994, Paragraph 4D: Notes:


Software
Note: Software for the development, production, or use of equipment described in other Categories is dealt with in the appropriate Category. Software for equipment described in this Category is dealt with herein.
4D001 Software specially designed or modified for the development, production or use of goods specified in entries 4A001 to 4A004, or sub-category 4D.
4D002 Software specially designed or modified to support technology specified in subcategory 4E.
4D003 Specific software, as follows:
a. Operating system software, software development tools and compilers specially designed for multi-data-stream processing equipment, in source code;
b. Expert systems or software for expert system inference engines providing both:
1. Time dependent rules; and
2. Primitives to handle the time characteristics of the rules and the facts;
c. Software having characteristics or performing functions exceeding the limits in Category 5 (Part 2-Information Security);
d. Operating systems specially designed for real time processing equipment which guarantees a global interrupt latency time of less than 20 microseconds.

---
Source: https://www.legislation.gov.uk/uksi/1994/1191/schedule/1/paragraph/4D (the official version)
Page: https://openlegislation.uk/export-of-goods-control-order-1994/schedule-1/paragraph-4D
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.