Language setting for channel invoices
You can decide in which language the invoice is sent to the channel, provided it is not a predefined channel. You set this in the channel's settings. It cannot be set per Reservation. By default, the language is set to Dutch.
Change billing language
To change the billing language, go to Channels via the cog icon. Click on the channel whose billing language you want to change and click edit.
Under the heading contact details, you can change the language.