Tax and Fee configuration (checkout page):

Created by Miguel Hoyos, Modified on Thu, 9 Jul at 12:45 PM by Miguel Hoyos

The Tax and Fee Configuration (Checkout Page) feature gives you full control over how rates, taxes, and additional fees are structured when a guest is ready to finalize their payment.
This setting helps maintain a consistent pricing experience from the initial search all the way to the final booking confirmation.

Go to ReservStudio - Booking Engine - General Settings

Scroll down until you find "Tax and Fee configuration (checkout page):" and select your option

Scroll Down and click "Save"