For full refund, notice of cancellation must be in writing and received at Royal Caribbean's offices no later than forty-four (44) days prior to sailing date for 3 and 4 night cruises, fifty-nine (59) days prior to sailing date for 7 night and longer cruises and eighty-nine (89) days prior to sailing date for Holiday sailings. No refunds will be made in the event of no shows or interruption or cancellation by the guest after the start of the cruise. There is no refund of unused travel vouchers