ID.AM-07:

Inventories of data and corresponding metadata for designated data types are maintained

Implementation Examples

Ex1: 

Maintain a list of the designated data types of interest (e.g., personally identifiable information, protected health information, financial account numbers, organization intellectual property, operational technology data)

Ex2: 

Continuously discover and analyze ad hoc data to identify new instances of designated data types

Ex3: 

Assign data classifications to designated data types through tags or labels

Ex4: 

Track the provenance, data owner, and geolocation of each instance of designated data types