(1) The consumer may cancel a distance or off-premises contract at any time in the cancellation period without giving any reason, and without incurring any liability except under these provisions -

(a) regulation 34(3) (where enhanced delivery chosen by consumer);

(b) regulation 34(9) (where value of goods diminished by consumer handling);

(c) regulation 35(5) (where goods returned by consumer);

(d) regulation 36(4) (where consumer requests early supply of service).

(2) The cancellation period begins when the contract is entered into and ends in accordance with regulation 30 or 31.