You can choose 'Yes' to enable group bookings or 'No' to disable them. If enabled, a group code box will appear for you to enter your group code. Below is an example of how it looks when this option is on or off.

ON:

OFF:

Instructions to Enable

Step 1: On the Extranet, under the Booking Engine tab select on General Settings

Step 2: Select on Booking Engine Settings and under the Groups option, make your selection and be sure to Save once finished.