74Mixed industrial and office development
(1)Subject to subsection (2) of this section, these provisions shall have effect without prejudice to the operation of sections 65 and 66 of this Act; and, where these provisions and those sections are applicable to the same application for planning permission, the requirements of both must be complied with.
(2)Compliance with section 72(1) of this Act shall not be required in respect of an application for planning permission for the development of land in any manner specified in section 65(1) of this Act if—
(a)no office premises will result from the development except such as are comprised within the curtilage of an industrial building and are used or designed for use for providing services or facilities ancillary to the use of other premises in the same building or curtilage; and
(b)there has been issued by the Secretary of State and furnished to the local planning authority with the application a copy of an industrial development certificate with conditions attached to it by virtue of section 68(3)(W of this Act.