Which document is referred to as a Purchase Order Invoice?

The Purchase Order Invoice is most accurately represented by the document known as BCM1. This particular document serves as a request for purchasing and indicates the necessary details regarding the items being ordered, their quantities, and the agreed prices. In logistics and supply chain management, the BCM1 plays a crucial role in ensuring proper documentation for transactions, which includes the verification and payment processes for goods and services acquired by the Navy.

Other choices, while important in their own contexts, do not serve as the primary document for Purchase Order Invoices. For example, SF 364 is primarily used for reporting discrepancies in shipping, while NAVCOMPT 2156 serves as a financial document related to the Navy's accounting activities. DD Form 250 is a receiving report that confirms delivery of goods but does not function as a purchase order invoice. Thus, the BCM1 is the correct choice in this context, as it aligns directly with the purpose of tracking and documenting purchases.