# OTA\_HotelAvailNotifRQ

The PMS/CRS partner should use the OTA\_HotelAvailNotifRQ message to send updates for availability, inventory, and restrictions. Here are the key points:

* **Single Hotel Update**: The availability of a single hotel can be updated with one message.
* **Multiple Rooms Update**: Availability of multiple rooms can be included in a single message, following the limitations specified in the Reliability Mechanisms and Constraints.

**Usage**:

* The OTA\_HotelAvailNotifRQ message can be used to send inventory count updates separately from status and restrictions updates.


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