(a) A purchaser shall have the right to cancel a vacation time-sharing plan contract within 5 business days following the date of its execution.
(b) The right of cancellation shall not be waived and any attempt to obtain such a waiver shall be unlawful. Nothing in this section shall preclude the execution of documents in advance of closing for delivery after the expiration of the cancellation period.
(c) If the purchaser elects to cancel the contract, the purchaser may do so only by mailing notice thereof by certified mail to the seller at the address listed in the contract. The cancellation shall be deemed effective upon mailing.
(d) Upon cancellation, the seller shall refund to the purchaser all payments made by such purchaser and collected by the seller pursuant to the canceled contract. The refund shall be made within 15 days and may, where payment has been made by credit card, be made by an appropriate credit to the purchaser's account.