Identify when the trip was interrupted
Record when the event occurred, when plans changed and what travel had already been used.
Unused prepaid arrangements
Separate the portion already consumed from the nonrefundable portion that was lost.
Additional transportation
Keep rebooking records and receipts for eligible extra transportation needed because of the interruption.
Medical events
Save provider notes and assistance records when illness or injury caused the change.
Supplier refunds
Document credits, refunds and unused ticket value because they can affect the claim.