We bought 6 6day tickets for our family's upcoming trip. This morning my MIL broke her wrist and will be unable to come due to needing surgery. Her ticket is unused at this time, but I am sure it has an expiration right? The only expiration I can see on her ticket says expires 14 days after first use. Does this mean if she does not use the ticket it does not have an expiration? I'm guessing that would be too lucky and isn't the case, but I can't find an actual expiration date anywhere on it.