Part I Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. para. 7 substituted by Fossil Fuel Levy 2001 reg. 3(19)(a) Sch. para. 9 words inserted by Fossil Fuel Levy 2001 reg. 3(19)(b) Sch. para. 17(a) substituted by Fossil Fuel Levy 2001 reg. 3(19)(c) Schs.1,2,3 substituted by Fossil Fuel Levy 1998 reg.10 1Method of calculating actual cost of purchasing certain electricity Part I