(1) This Division applies to a contract for the carrying out of--(a) building work, or(b) door-to-door handbill delivery work, or(c) door-to-door sales work,except as provided by this Division.
(2) This Division does not apply to any such contract--(a) to the extent that it is a contract under which the work is done by a person in the capacity of an employee, or(b) unless at least one of the parties to the contract (other than a person who actually does the work) is a person who carries on a business of doing, or arranging for the doing, of that kind of work.
(3) The regulations may declare any specified work to be, or not to be, building work, door-to-door handbill delivery work or door-to-door sales work for the purposes of this Division.