Every content item in this list is tagged with all the required labels:

• 504
• communications
• email-settings
• grading
• i-am-away
• loaner
• ooo
• polls
• reservation
• times
• un-blocking
• video

To add a label to the list of required labels, choose '+ labelname' from Related Labels.
To remove a label from the required labels, choose '- labelname' from above.