Does the cancellation policy allow you to cancel within 15 days of 12/31?  The website states: Yes, if a guest had an active reservation as of April 5, 2021 for a cruise with a vaccination requirement (all sailings through October 31, 2021), or an active reservation as of August 18, 2021 for a cruise vaccination requirement (currently all sailings through December 31, 2021), and the guest is unable to comply; the guest will be permitted to apply the full value of all amounts paid to a new future