Penalty is NO refund or NO amendment of dates.
Changing dates, would require user to call and cancel booking (lose the points) & make fresh booking.
Just happen to stumble on this clause for those booked on the 1 for 1 promotion
11. All room reservations made are subject to “No Show Charges” unless cancellation is made 72 hours prior to check-in date. There will be no refund of Genting Points/ Rewards Points paid on the rooms cancelled.

