United States
https://www.sterlingfoundation.org/forum-1/general-discussion/b-a-how-to-get-a-full-refund-from-british-airways-fare-type-cancellation
https://central.xero.com/s/question/0D58V00009OzcroSAB/what-is-the-cheapest-way-to-book-a-royal-caribbean-cruise-easy-book