What are the two types of unit accountabilities for stamp stock?

The correct answer identifies "Individual and Segmented" as the two types of unit accountabilities for stamp stock.

Individual accountability refers to the responsibility assigned to a specific employee or postal unit for the management and security of the stamp stock. This ensures that each person or unit handling stamps is fully accountable for their inventory, which helps minimize losses and discrepancies.

Segmented accountability, on the other hand, involves dividing responsibility among different groups or segments within the postal service. This approach allows for a more organized tracking of stamp stock across various locations or units, improving oversight and control over inventory management.

Together, these two forms of accountability create a robust system for managing stamp stock, promoting security and accuracy in stock handling and reporting. The importance of maintaining distinct levels of responsibility cannot be overstated, as it is crucial in preventing theft and ensuring compliance with postal regulations.