What must be indicated when material is transmitted by the State Department diplomatic pouch?

When transmitting material by the State Department diplomatic pouch, it is essential to indicate whether courier accompaniment is required. This is because the diplomatic pouch is a secure channel used by the government to transport official documents and materials between embassies, consulates, and government agencies. Specifying that courier accompaniment is necessary ensures that the sensitive material is physically escorted by an authorized individual for added security and accountability. This procedure is crucial for maintaining the integrity and confidentiality of the information being shared through diplomatic channels.

The other choices may seem relevant in different contexts but do not apply specifically to the requirements for using the diplomatic pouch. Urgent delivery, email notifications, and signature confirmations, while important for communications and logistics, do not pertain directly to the protocols established for the diplomatic pouch's operation, which prioritizes security and direct handoff of sensitive government materials.