(1) The Minister may by regulations made by him under this Act do all or any of the following things, that is to say: -
(a) prescribe the characteristics and qualities to be possessed by a tyre in order that it may be a pneumatic tyre for the purposes of this Act,
(b) declare that a tyre which, though not containing air under pressure, possesses certain specified characteristics or qualities shall be a pneumatic tyre for the purposes of this Act,
(c) declare that a tyre which possesses certain specified characteristics or qualities shall not be a pneumatic tyre for the purposes of this Act notwithstanding that it contains air under pressure.
(2) If regulations are made under this section then, so long as such regulations remain in force, the expression "pneumatic tyre" shall wherever it occurs in this Act (except this section) mean a tyre which under such regulations is a pneumatic tyre for the purposes of this Act.
(3) Every regulation made under this section shall be laid before