Residential Conference Rate. A credit card is required for payment to guarantee the Prepay Non-refundable rate. Prepay rates will be charged the full cost of the reservation within 24 hours of making the reservation. If payment is unsuccessful within 48 hours of making the reservation, the hotel reserves the right to cancel the reservation. Date changes to the reservation are allowed through 11:59PM local hotel time, 7 days before arrival. Date changes may result in a change to the overall cost of the reservation. A change resulting in a lower cost will forfeit the difference from original prepayment. A change resulting in a higher cost will receive an additional prepayment charge for the difference from original prepayment amount. Date changes after 7 days before arrival are not allowed. Cancellation will result in forfeiture of the prepayment. The credit card used at the time of making the reservation must be valid for the entire stay.