70D.— (1) A person who, on or after the prescribed date, sells a premises connected to a domestic waste water treatment system, shall on the completion of the sale, furnish a valid certificate of registration in respect of the treatment system concerned to the purchaser of the premises.

(2) A purchaser of a premises connected to a domestic waste water treatment system shall, after the completion of the sale, notify the relevant water services authority of the change in ownership and the water services authority concerned shall update the register of domestic waste water treatment systems accordingly. ]