The Planning (National Security Directions and Appointed Representatives) (Wales) Regulations 2006
Section 321 of the Town and Country Planning Act 1990 (“the 1990 Act”) provides that all planning inquiries are to be held in public except to the extent where, in relation to land in Wales, the National Assembly for Wales (“the National Assembly”) or the Secretary of State otherwise direct that it would be contrary to national security on the grounds of national interest or the security of premises or property.