Functional work: restrictions
6.—(1) A board may not carry out functional work falling within a defined activity unless each of the 6 conditions is fulfilled.
(2) The conditions mentioned in paragraph (1) are those set out in Article 7, which shall have effect subject to Article 8.
(3) This Article applies only if the work falls within such a defined activity, is of such a description, is proposed to be carried out by such board or boards, and is proposed to be carried out on or after such date, as may be specified by regulations; and regulations may describe work by reference to a specified proportion of work of a particular description.
(4) Regulations may provide that where a board proposes to carry out functional work which falls within a defined activity specified in the regulations (whether or not by a virtue of Article 4(4) or (6)) and to which this Article would not otherwise apply, it shall (if the board so decides) be treated as work to which this Article applies.
(5) This Article applies even if the work forms part of work begun before any date specified in the regulations, but references in this Article and the following provisions of this Part to the work do not include references to any work carried out before such date.