# The Pressure Systems and Transportable Gas Containers Regulations 1989, Paragraph 6


Any pressure system or part thereof, or transportable gas container which–
(a) is the subject of a research experiment; or
(b) comprises temporary apparatus being used in a research experiment,
if, in the case of regulations 4, 5, 6, 7, 11, and 13, it is not reasonably practicable to comply with them.

---
Source: https://www.legislation.gov.uk/uksi/1989/2169/schedule/2/paragraph/6 (the official version)
Page: https://openlegislation.uk/pressure-systems-and-transportable-gas-containers-regulations-1989/schedule-2/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.