(1) For the purpose of these Regulations, "business relationship" means a business, professional or commercial relationship between a relevant person and a customer, which -
(a) arises out of the business of the relevant person, and
(b) is expected by the relevant person, at the time when contact is established, to have an element of duration.
(2) A relationship where the relevant person is asked to provide one or more of the services described in regulation 12(2)(a), (b) or (d) is to be treated as a business relationship for the purpose of these Regulations, whether or not the relationship is otherwise expected to have an element of duration.
(3) For the purposes of these Regulations, an estate agent is to be treated as entering into a business relationship with a purchaser (as well as with a seller), at the point when the purchaser’s offer is accepted by the seller.