7. In Schedule 2(1)–
(a)in paragraph 2(b) after item 21 there shall be inserted the following item–
“21A 61 Emissions”; and
in paragraph 2(f) the words “(as defined in section 85 of the 1988 Act)” shall be omitted.
S.I. 1981/1694; relevant amending instruments are S.I. 1989/920, 1990/1186 and 1991/253 and 455.