§ 502. Availability. Every rental purchase agreement shall indicate that a consumer at his or her request shall be permitted to review a completed rental-purchase agreement for up to forty-eight hours prior to signing. A copy of the fully completed rental-purchase agreement and all other documents which the merchant requests the consumer to sign shall be given to the consumer at the time they are signed. The rental-purchase agreement shall not be enforceable against the consumer until the consumer has received a signed copy. In addition to any other right of cancellation, a consumer has the right to cancel a rental-purchase agreement, without penalty or obligation if the consumer has not taken possession of the property.