Exactly why I asked if someone has actually done this. I just might have to call Carnival to get this clarified. While it is shipboard credit, it was credit that was still paid for as opposed to a credit that was obtained with some type of promotion like a "$100 returning guest credit" or something of that nature. If need be, it SHOULD be refunded.
Exotic Western Caribbean - Dream (B2B) - November, 2013 (Our Honeymoon)
Eastern Caribbean - Dream (B2B) - November, 2013 (Our Wedding)
Mexician Riviera - Spirit - November, 2011
Western Caribbean - Freedom - January, 2011
Southern Caribbean - Miracle - November, 2010
Western Caribbean - Liberty - November, 2008
Eastern Caribbean - Valor - October, 2006