Sales restrictions apply to items that may only be sold to guests with a minimum age.

In the main menu of the DISH POS-Lite Backoffice, under the group 'Articles'
Click on the category "Products"
Click the "pencil icon" next to the product
In the menu that now appears, click "Product information"
Select the option "NIX18" at 'Sales restriction' to indicate that the product may only be sold to guests over 18 years of age. When a guest selects the item on your QR order site, he or she will be asked to confirm that they are over 18 years of age

Assigning sales restricions to products and product groups - DISH POS Lite