When to use it?
Exemption codes become invaluable from an audit perspective when comparing the redacted copy and audit copy in a legal environment. The undisclosed information can be viewed in the audit copy file with the codes providing clear reasons as to the redaction.
This feature is particularly useful for information managers when it is not appropriate to disclose certain information e.g. under the Freedom of Information Section 40, when it is necessary for personal information to be hidden or removed from a document or file.