Consideration of the Enterprise-Specific Hotel Catalog 
Use
If your enterprise has come to special agreements with certain hotels or prefers particular hotels that should be taken into consideration when booking hotels, you can create a hotel catalog specific to your enterprise containing all such hotels.

We recommend for the Hotel sector, that you control the compliance with the travel policies stored in the travel planning system by maintaining a hotel catalog or simply by entering negotiated hotel rates. This has clear advantages over the control using a travel policy.
When you make an
Using the hotel catalog eliminates this problem totally.
Prerequisites
To activate the hotel catalog you need to make various settings in the Customizing for Travel Planning:
Hotels and rates in the catalog:
Define enterprise-specific hotel catalog
Define enterprise-specific hotel catalog rates
Formulating the
travel profile with catalog hotels:
Define assignment of travel profiles to hotel catalog items
Strategies for using the hotel catalog for the availability query:
Define price and availability strategies
Activities
You have
created a travel plan and started an availability query for a hotel.To do this, choose after the first query Standard query from the dialog box Hotel Availability: Hotel List (Hotel Catalog).
Define price and availability strategies) and the system can find no available catalog hotels for the given time period and location, a standard availability query is started automatically in the connected reservation system (not using the hotel catalog) and these results are displayed.
You do not need to start an additional query.