When setting up Adobe Campaign Standard to handle privacy requests, you must ensure that any custom data that is linked to a profile is deleted when the profile is deleted. This video explains how to modify your custom resources in order to fulfill this requirement.
Opt-out for the Sale of Personal Information (CCPA)
Starting with 19.4, a CCPA Opt-Out field is provided out-of-the-box in the Campaign interface and API. For 19.3, to use this information, you must create this >field in Adobe Campaign Standard. Please see the detailed documentation for more information.
To check your version, click on the ? in the top right of the interface and selecting About.
Also refer to the General Privacy guidelines for Campaign