amend section 8A or 9A so as to vary the information that must or may be given in cases where that section applies;

amend section 9 or 9A so as to vary the matters in respect of which specified evidence must or may be given in cases where that section applies;

make such provision (including provision amending section 9B or 9E or any other enactment) as the Secretary of State considers appropriate in consequence of provision made under paragraph (a) or (b).