Paragraph 6

that, in assessing in the circumstances described in paragraph 4A in the first column of Part I of this Schedule the increase or diminution in value to be left out of account by virtue of section 13 of this Act no increase or diminution of value is to be excluded from being left out of account; and

that, in assessing in those circumstances the increase in value to be taken into account by virtue of section 14 of this Act, no increase in value is to be excluded from being taken into account,

to any development of land which was carried out before the area was designated as an urban development area;

to any development or prospect of development of land outside the urban development area;

to any development or prospect of development of land by an authority, other than the acquiring authority, possessing compulsory purchase powers.