A promoter shall not sell, lease, assign, or otherwise transfer the promoter's interest in the timeshare program unless the transferee agrees in writing to honor the timeshare purchaser's right to use and occupy the timeshare unit, honor the purchaser's right to cancel, and comply with this chapter. In the event of a transfer, each timeshare purchaser whose contract may be affected shall be given written notice of the transfer when the transfer is made.