This screen enables to define fixed exchange rates between currencies.
The purpose is to display multiple currencies with automatic calculation on the ticketshop to inform the customer, and they are used when accepting several currencies at the box-office.
You must update the VAT rate according to the regulations in force which you must keep informed of (exception for exempt structures).
Some exchange rates can be retrieved automatically via an interface
https://confluence.secutix.com/x/c4I2Ag