(1) The trader must not begin the supply of a service before the end of the cancellation period provided for in regulation 30(1) unless the consumer -

(a) has made an express request, and

(b) in the case of an off-premises contract, has made the request on a durable medium.

(2) In the case of a service other than supply of water, gas, electricity or district heating, the consumer ceases to have the right to cancel a service contract under regulation 29(1) if the service has been fully performed, and performance of the service began -

(a) after a request by the consumer in accordance with paragraph (1), and

(b) with the acknowledgement that the consumer would lose that right once the contract had been fully performed by the trader.

(3) Paragraphs (4) to (6) apply where a contract is cancelled under regulation 29(1) and a service has been supplied in the cancellation period.