The OTA_HotelAvailNotifRQ message is used to communicate product level availability restriction values to client systems. The restriction types that are supported are Open, Close, Close to Arrival, Close to Departure, Min and Max Length of Stay, Min and Max Length of Stay Thru.

Availability is used to update Stay Restrictions to the SynXis CR. This message is used to communicate updates to: Hotel, Room, Rate, Product, Rate Category, Sell Limit, Sell Threshold and Open/Close stay restrictions.

The ARI Sync- Availability (OTA) (OTA_HotelBookingRuleNotifRQ) is used to limit the availability for a hotel.