The Planning Authority may issue guidelines —
(a) on the procedures for screening applications for purposes of sections 11, 12, 13 and 14, and in particular for carrying out an environmental impact assessment;
(b) for the development of Terms of Reference for any environmental impact assessment under this Act;
(c) on the procedures for undertaking any monitoring programme, protection plan or mitigation measures, in relation to an application for Full Approval under this Act.