A person who
commences, continues or carries out any development, or causes or permits any
development to be commenced, continued or carried out, affecting land to which
section 163 applies except —
(a) with
the prior approval of that development obtained under section 163; and
(b) in a
manner which is in conformity with the approval referred to in paragraph (a)
and in accordance with the conditions, if any, subject to which that approval
was given,
commits an offence.