Should portion markings be used on documents containing both classified and unclassified portions?

Portion markings are essential for documents that contain both classified and unclassified information. Their primary purpose is to clearly indicate which sections of a document are classified and to what level, thereby providing guidance to individuals who handle the document. When portion markings are utilized, they help ensure that the classified information is adequately protected while allowing for easy identification and access to unclassified portions without requiring the entire document to remain classified.

This practice enhances understanding and compliance with classification requirements, preventing unauthorized disclosure while supporting the need for efficient information sharing when possible. By marking portions appropriately, individuals can navigate through the content more effectively and responsibly. Using portion markings aligns with safeguarding measures and is critical in maintaining the integrity of classified information management.