What is the function of a Classification Authority Block in a classified document?

The Classification Authority Block serves a crucial role in a classified document by providing authorization for the classification and declassification of the information contained within that document. This block typically includes the name and title of the official who classified the document as well as the specific classification level (such as Confidential, Secret, or Top Secret) assigned to it. This formal authorization is essential for maintaining the integrity and security of classified information, as it ensures that only individuals with the appropriate authority can classify or declassify sensitive material.

The classification process is governed by strict policies, and the Classification Authority Block helps to ensure that these procedures are followed correctly. It also aids in traceability and accountability, allowing for easy reference to the authority responsible for the classification. In contrast, other options do not capture this essential role; summarizing content, listing contributors, or outlining classification history does not provide the same level of oversight and authority in the classification process.