Enterprise zones
59. An order designating an enterprise zone, or the adoption of a modified scheme, if made or adopted after the commencement of these Regulations shall not have effect to grant planning permission for development which—
(a)is likely to have a significant effect on a European site (either alone or in combination with other plans or projects); and
(b)is not directly connected with or necessary to the management of the site;
and where the designation order was made or the modification adopted before that date, the permission granted by virtue of the taking effect of the order or the modifications shall, from that date, cease to have effect to grant such permission for such development whether or not the development authorised by the permission has been begun.