4In Part I of Schedule 4 to each Act (annual rates of duty on goods vehicles)—
(a)in paragraph 11, for sub-paragraphs (b) and (c) there shall be substituted—
“(b)a special machine within the meaning of Schedule 3 to this Act;
(c)a recovery vehicle within the meaning of that Schedule; or”;
(b)paragraphs 12 and 13 shall be omitted; and
(c)in paragraph 15(1), the definitions of “agricultural machine”, “fisherman’s tractor”, “mobile crane”, “recovery vehicle” and “works truck” shall be omitted.