Create a regular purchase order.

A purchase from an external vendor for consumption on a project.

Items are consumed when the vendor invoice is updated.

Create a purchase order from a sales order.

A purchase from a sales order. Use this method for entering a purchase when you create a sales order from a project.

Items are consumed when the customer is invoiced.

Create a purchase order from an item requirement.

A purchase from an item requirement. Use this method for entering a purchase when you create an item requirement from a project.

Items are consumed when the item requirement packing slip is updated.