A development order may provide for an applicable enactment or requirement—
to apply, with or without modifications, to an application made to the Welsh Ministers under section ... 62M or 62O, or
not to apply to such an application.
For this purpose an applicable enactment or requirement, in relation to an application made to the Welsh Ministers under section ... 62M or 62O, is—
any provision of or made under this Act, or any other enactment, relating to applications of that kind when made to the relevant authority;
any requirements imposed by a development order in respect of applications of that kind when made to the relevant authority.
The "relevant authority", in relation to an application made to the Welsh Ministers under section ... 62M or 62O, is the authority to which, but for the section in question, the application would have been made.