Part I Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch.5, para 4A added by Boiler (Efficiency) 1994 reg.2(g) Sch.5, para 9(6) added by Boiler (Efficiency) 1994 reg.2(h) 1Conformity to type 2Conformity to type 3Conformity to type Part I