> For the complete documentation index, see [llms.txt](https://cee-systems.gitbook.io/tcp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cee-systems.gitbook.io/tcp/refunds/refund-of-already-exchanged-ticket.md).
# Refund of already exchanged ticket
Here is the example of the refund:
Original ticket:
Ticket to be refunded:
PNR has been already cancelled:
TCP will extract all information from the ticket including all paid taxes, only cancellation charge must be added manually:
If some tax is non refundable the agent can unticked (unmarked) it manually as well.
Then the refund is calculated automatically and TRNE mask is filled by TCP.
