What does APP.4 in NAVSUP P-485 Volume II cover?

APP.4 in NAVSUP P-485 Volume II specifically covers Document Identifiers. This section is crucial as it defines the various document identifiers used in the Navy supply system. Document identifiers serve as unique codes that simplify and facilitate various logistics and supply chain actions such as requisitions, status changes, and transfers. By utilizing these identifiers, personnel involved in logistics can effectively manage paperwork involving supply transactions, ensuring proper tracking and accountability within the supply chain. Understanding document identifiers is essential for maintaining accurate records and facilitating communication across different departments handling supply processes.