Section 1 of the 1991 Act (preliminary) shall have effect so far as it relates to operations carried on at any time on or after the restructuring date with the substitution for subsection (3) (meaning of "lawful coal-mining operations") of the following subsection, that is to say—
Sections 34 and 35 of the 1991 Act (which make provision with respect to the construction of any building, structure or works on land from which the Corporation is entitled to withdraw support) shall cease to have effect on the restructuring date.