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

• ax
• controlled-document-children
• excel
• h23
• pivot
• r200
• sprint
• sprint54
• sprint6
• ta2-re3-1
• visio
• workflow

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.