Regulation 2(1)
1. In relation to fireworks—
(a)category 1 is a category of fireworks which present a very low hazard and negligible noise level and which are intended for use in confined areas, including fireworks which are intended for use inside domestic buildings;
(b)category 2 is a category of fireworks which present a low hazard and low noise level and which are intended for outdoor use in confined areas;
(c)category 3 is a category of fireworks which present a medium hazard, which are intended for outdoor use in large open areas and whose noise level is not harmful to human health;
(d)category 4 is a category of fireworks which present a high hazard, which are intended for use only by persons with specialist knowledge (commonly known as fireworks for professional use) and whose noise level is not harmful to human health.
2. In relation to theatrical pyrotechnic articles—
(a)category T1 is a category of pyrotechnic articles for stage use which present a low hazard;
(b)category T2 is a category of pyrotechnic articles for stage use which are intended for use only by persons with specialist knowledge.
3. In relation to other pyrotechnic articles—
(a)category P1 is a category of pyrotechnic articles, other than fireworks and theatrical pyrotechnic articles, which present a low hazard;
(b)category P2 is a category of pyrotechnic articles, other than fireworks and theatrical pyrotechnic articles, which are intended for handling or use only by persons with specialist knowledge.