Compliance for Confluence is customizable at a Space level. This means that Space Admins can activate and de-activate classification levels for specific Spaces.
To activate or de-activate page classification at a Space level, access the Space Settings in the left hand navigation bar. On the next screen click Content Tools in the top navigation bar and then click Compliance, as shown in the screenshot below.
This configuration screen is where you can control all the features in Compliance for Confluence at a Space level. To enable page classification for this Space, ensure Enable Compliance in this Space is activated.