2. The following explosives, even if meeting the description of plastic explosives in paragraph 1, are not to be regarded as plastic explosives for the purposes of regulation 38 as long as their manufacture or possession continues to be to a quantity and for a purpose specified in any of sub-paragraphs (a) to (c) of this paragraph, namely any explosive—U.K.
(a)the manufacture or possession of which is to a quantity no greater than is necessary for the purpose of, and is solely for use in, lawful research, development or testing of new or modified explosives;
(b)the manufacture or possession of which is to a quantity no greater than is necessary for the purpose of, and is solely for use in, lawful training in explosives detection or development or testing of explosives detection equipment; or
(c)the manufacture or possession of which is to a quantity no greater than is necessary for, and is solely for, the purpose of lawful forensic science.