What are the Different Types of Purchase Orders?

Different types of purchase orders include Standard Purchase Orders (PO), which detail specific items and quantities for immediate purchase; Planned Purchase Orders (PPO), which are used for future deliveries based on forecasts; Blanket Purchase Orders (BPO), which cover multiple deliveries over a set period with predefined terms; Contract Purchase Orders (CPO), which are linked to long-term contracts with agreed-upon conditions; and Digital Purchase Orders (DPO), which are processed and managed electronically for efficiency and accuracy.