During the booking workflow, it is possible to select an incoterm while assigning paying parties
When prompted to the "Assign paying parties" page, after proceeding with payment, you will have to select first the paying party
If the paying party is not already managed by the current configuration, you will see a box below that will ask you to select the Incoterm that you want to apply for the booking.
By clicking the dropdown menu "Select an incoterm" you will be shown a list of applicable choices.
After selecting the incoterm applicable to your booking, you will be able to proceed and click on "CONFIRM AND BOOK" to finish the booking.