Class 13E+WSites used for the display of advertisements on 1st April 1974
13. Description.E+W
An advertisement displayed on a site which was used for the display of advertisements without express consent on 1st April 1974 and has been so used continually since that date.
13. Conditions and Limitations.E+W
(1) No substantial increase in the extent, or substantial alteration in the manner, of the use of the site for the display of advertisements on 1st April 1974 is permitted.
(2) If any building or structure on which such an advertisement is displayed is required by or under any enactment to be removed, no erection of any building or structure to continue the display is permitted.