Sch 8 para 2
(1) Two or more of the matters mentioned in section 101(2) may be referred to the same commission if it appears to the responsible Minister or Ministers that they relate to proposals to carry out development for similar purposes on different sites. (2) Where a matter referred to a commission under section 101 relates to a proposal to carry out development for any purpose at a particular site, the responsible Minister or Ministers may also refer to the commission the question whether development for that purpose should instead be carried out at an alternative site. (3) On referring a matter to a commission, the responsible Minister or Ministers— (a) shall state in the reference the reasons for the reference, and (b) may draw the attention of the commission to any points which seem to him or them to be relevant to their inquiry.