Schedule 3 CRITERIA FOR THE SELECTION OF EQUIPMENT AND PROTECTIVE SYSTEMS Northern Ireland Not yet in force Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 3 para. 1 words substituted by Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres 2017 Sch. 7 Sch. 3 para. 1 coming into force by Dangerous Substances and Explosive Atmospheres 2003 reg. 1(c) Sch. 3 para. 2 coming into force by Dangerous Substances and Explosive Atmospheres 2003 reg. 1(c) Sch. 3 para. 3 coming into force by Dangerous Substances and Explosive Atmospheres 2003 reg. 1(c) 1Paragraph 1 2Paragraph 2 3Paragraph 3 ← Paragraph 2 Schedule 3 Paragraph 1 →