Restriction – a function that allows you to create the conditions and rules for booking a room stock at the rate for sales channels and booking engine.
The basic configuration of the system is pre-set restriction STANDARD
The restriction rule may be common to all sales channels or individual.
It is attached to the rate in the settings of the sales channel for unloading.
When creating additional restrictions, you have to click on 
Specify the name of the restriction in Latin and click 
In order for the restriction to appear in the sales channels, it is necessary to create conditions on the Restriction desk:
Front desk ➜ Restrictions
IMPORTANT! After creating the booking conditions, you must link it to the rates in the channel settings, after making changes, do an additional unloading.