Cost setting 'Do not invoice'
Use this setting if you do not want to process the payment of this cost through BEX PMS. In the booking process and on the invoice, the cost is shown as being payable on arrival.
Examples of when this option may be used: the cost item is to be paid directly to the owner of an object, or to a third-party activity provider.
Showing costs payable upon arrival in templates
Use the following tag in a template to list any costs to be paid upon arrival: {{ locals.booking_hidden_costs_overview }}
More about templates: Templates