The text of Sch. 3 which follows includes certain amendments introduced by FA 1994, s. 236 and Sch. 23. These amendments do not have effect in relation to any light gases if, before 1 January 1994, an election was made under FA 1982, s. 134 (alternative valuation of certain ethane) or FA 1986, s. 109 (alternative valuation of certain light gases) and the election applies to those gases. See the text of the History note for any omitted or substituted wording where appropriate.