Purchase order

A purchase order is a written authorization from a buyer to acquire goods or services. The document authorizes a supplier to deliver to the buyer at the price, quality level, delivery date, and certain other terms specified in the agreement. A purchase order is legally binding after the supplier counter-signs it.

A purchase order is time-consuming to create. To reduce the workload, some organizations issue a master purchase order to each supplier, authorizing considerably more than is initially needed, and then issue releases against the master purchase order.

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Purchasing Guidebook