no later than 32 working days from receipt by the new supplier of the information in sub-paragraph (a)(i) and (ii). 

## Avoidance of erroneous transfers 

6ZB. —(1) This regulation applies where a new supplier proposes to complete a supplier transfer. 

(2) This regulation does not apply where a customer is transferred to a supplier appointed by the Authority following a last resort supply direction being given within 21 working days of an agreement reached in accordance with regulation 6C(1)(b). 

(3) Where this regulation applies the new supplier must only complete a supplier transfer where there is a valid contract with the customer who is subject to the supplier transfer. 

(4) For the purposes of this regulation, failure to meet the standard of performance in paragraph (3) is determined when the old supplier and the new supplier have agreed that the customer has been transferred without a valid contract.” 

6.  After regulation 6C( a ) (Resolution of erroneous transfers) of the Principal Regulations insert— 

## “Provision of a final bill 

6CA. —(1) This regulation applies where a supplier no longer has responsibility for the supply of electricity or gas to the customer where— 

(a) a customer transfers to another supplier under a valid contract; or 

(b) a supplier’s responsibility for the supply of electricity or gas to the customer has otherwise terminated. 

(2) This regulation does not apply where responsibility for the supply of electricity or gas to a customer transfers from one supplier to another supplier without a valid contract. 

(3) Where this regulation applies in circumstances where a customer transfers to another supplier under a valid contract, the old supplier must within 6 weeks of the supplier no longer having responsibility for the supply of electricity or gas, issue the customer’s final bill. 

(4) Where this regulation applies in circumstances where a supplier’s responsibility for the supply of electricity or gas to the customer has otherwise terminated, that supplier must issue the customer’s final bill within 6 weeks of the later of the date on which— 

(a) the supplier no longer has responsibility for the supply of electricity or gas; or 

(b) the supplier is notified of no longer having responsibility for the supply of electricity or gas”. 

7.  In regulation 9 (Exemptions and limitations to supplier payment obligations) of the Principal Regulations, after paragraph (7A)( b ) insert— 

“(7AA) A supplier is not obliged to make a standard payment following failure to meet the individual standard of performance under regulation 6ZB, where— 

(a) a customer has withdrawn a request for a supplier transfer after the supplier transfer has completed — 

(i) in accordance with any term in the contract between the new supplier and the customer, or 

(ii) by virtue of any enactment, or 

