17.—(1) This regulation applies where a relevant undertaker withdraws from the non-household retail market and a transferred customer has an outstanding complaint against the undertaker in respect of the supply of water or the provision of sewerage services to the customer’s premises.
(2) The complaint is to be dealt with, on and after the exit date, by the acquiring licensee that takes over the supply of water or the provision of sewerage services to those premises.
(3) Anything done by or in relation to the relevant undertaker in connection with the complaint is to be treated, on and after the exit date, as having been done by or in relation to the acquiring licensee.