The current Cut Off policy restriction that you see on the list in Availability & Rates Calendar works only for our Booking Engine. See more information about that option here.
However, there is a workaround which will let you automatically close availability in selected rooms for "today" or "next x days" to not receive bookings during this time.
1. Go to Property Management / Strategies and create a new Strategy:
2. Name your Cur Off strategy and set it to 1 or more days. Then, select rooms where the system should apply the restriction and select Close Room* option. Then click on Save and Close button.
* You can also select Close Rate for selected rates, this way you can apply the restrictions for selected channels if you use separate rates for portals (more information here)
3. Done! The system will automatically close rooms according to the number of days selected in the strategy, you will see that in the calendar: