Section 66-133 - Customer's right to cancel(a) In addition to any other right to revoke an offer or cancel a sale or contract, the customer has the right to cancel a contract for the services of a discount buying club until midnight of the third business day after the buyer signs a contract which complies with G.S. 66-132.(b) Cancellation occurs when the customer gives written notice of cancellation to the discount buying club at the address stated in the contract.(c) Notice of cancellation, if given by mail, is given when it is deposited in the United States mail properly addressed with postage prepaid.(d) Notice of cancellation need not take any particular form and is sufficient if it indicates by any form of written expression that the customer intends or wishes not to be bound by the contract.(e) For purposes of this Article, business days are all days other than Saturdays, Sundays, holidays, and days on which the discount buying club is not open for business.