Which of the following are proper Accounting Legend Codes?

The proper Accounting Legend Codes are essential for accurately tracking and categorizing the handling of classified information. The set provided in the correct choice includes codes that align with established standards for categorizing the handling and disposition of various security materials. These codes typically signify specific actions or statuses associated with the management of classified information, allowing personnel to properly log and account for this material throughout its lifecycle.

Understanding these codes is crucial for maintaining compliance with security protocols, promoting accountability, and ensuring that classified information is safeguarded effectively. In practice, these codes help organizations manage their information security processes, from origination to destruction and all points in between.

In contrast, the other options do not accurately represent validated Accounting Legend Codes as recognized by the governing security standards. They contain numbers that either fall outside the typical range of recognized codes or do not correspond correctly to recognized actions within COMSEC procedures. Thus, recognizing the valid accounting codes is vital for ensuring proper compliance within the field of communications security.