The structure plans applying immediately before 1st April 1997 to Devon but excluding the area of Exmoor National Park, and any proposals prepared before that date for the alteration or replacement of any of those plans, shall be treated as if they had been prepared jointly by the Dartmoor National Park Authority and the Devon County Council; and section 50 of the 1990 Act14 shall apply accordingly.

The structure plan applying immediately before 1st April 1997 to Somerset and that part of Devon falling within the area of Exmoor National Park, and any proposals prepared before that date for the alteration or replacement of that plan, shall be treated as if they had been prepared jointly by the Exmoor National Park Authority and the Somerset County Council; and section 50 of the 1990 Act shall apply accordingly.

The structure plan applying immediately before 1st April 1997 to Northumberland, and any proposals prepared before that date for the alteration or replacement of that plan, shall be treated as if they had been prepared jointly by the Northumberland National Park Authority and the Northumberland County Council; and section 50 of the 1990 Act shall apply accordingly.

The structure plans applying immediately before the 1st April 1997 to North Yorkshire, that part of Redcar and Cleveland falling within the area of the North York Moors National Park, the City of York, and that part of Cumbria falling within the area of the Yorkshire Dales National Park, and any proposals prepared before that date for the alteration or replacement of any of those plans, shall be treated as if they had been prepared jointly by the North York Moors National Park authority, the Yorkshire Dales National Park Authority, the York City Council, and the North Yorkshire County Council; and section 50 of the 1990 Act shall apply accordingly.