Suppression Rules

Click Category Suppression Rules in the left-hand sidebar.

Name: what staff will see in a pull down list so although it will be short, you should try to make it descriptive.

Description: help for staff when viewing/editing the suppression rules.

Categories: select from the available Categories and use the arrows to move it or them to the appropriate box.

AND or OR applies to the If Resource available in... box when you have selected multiple Categories for this.