s 45 Screening opinions
(1) Where it appears to the local planning authority by whom or on whose behalf an enforcement notice is to be issued that the matters constituting the breach of planning control comprise or include Schedule 1 development or Schedule 2 development they must, before the enforcement notice is issued— (a) take such steps as appear to be reasonable to them in the circumstances, having regard to the requirements of regulation 6(2) and (4), to obtain information about unauthorised development to inform a screening opinion; and (b) adopt a screening opinion. (2) Where it appears to such local planning authority that the matters constituting the breach of planning control comprise or include EIA development they must serve with a copy of the enforcement notice a notice (“regulation 45 notice”) which must— (a) include the screening opinion required by paragraph (1); and (b) require a person who gives notice of an appeal under section 174 of the 1990 Act to submit to the Welsh Ministers with the notice two copies of an environmental statement relating to that EIA development. (3) The local planning authority by whom a regulation 45 notice has been served must send a copy of it to— (a) the Welsh Ministers; (b) the consultees; and (c) any particular person of whom the authority is aware, who is likely to be affected by, or has an interest in, the regulation 45 notice. (4) Where a local planning authority provide the Welsh Ministers with a copy of a regulation 45 notice they must include with it a list of the other persons to whom a copy of the notice has been or is to be sent.