In the context of classified information, what does "portion marking" refer to?

Portion marking refers specifically to marking sections or individual paragraphs within a document that contain sensitive or classified information. This practice allows readers to quickly identify which parts of the document are classified and the level of sensitivity associated with them. By using portion marking, it enhances the understanding of the classification status of various segments of the document, making it easier for users to handle and disseminate the information appropriately.

This method is essential in maintaining the integrity of classified information and ensuring proper access controls are followed. It helps in minimizing the risk of unauthorized disclosure by clearly delineating which portions require special handling. Thus, the focus on marking sections rather than just the top or footer of a document is a fundamental aspect of adhering to classification protocols.