1. Purchase orders can be received if the status of the purchase order is equal to 'PO Printed', 'Sent', or 'Incomplete'.
2. Selecting a row in the purchase order item list, will display the 'Inventory Breakdown' section for that item.
3. The 'Inventory Breakdown' section displays the breakdown of how the purchase order item was received.
   1. The first row is added when the purchase order item is selected.
   2. When the first row of the inventory breakdown is populated, another blank row is added so that (if necessary) a second variation of the purchase order item can be entered.
4. If the product has been received into inventory in the past, the 'Location' will default to the location selected on the previous purchase order.  This field is required, and can be modified; if it is modified, the new value will replace the old default value, the next time the product is received.
5. If the 'Received' quantity is entered on the row that represents the purchase order item, the 'Order' quantity in the first row of the 'Inventory Breakdown' section, will be populated.
6. The 'Order' quantity will be populated when the 'Received' quantity is entered for the row that represents the purchase order item; or, the 'Order' quantity can be entered in the 'Inventory Breakdown' section.
   1. The S:St and St:O ratios, stock and order units, and unit price (per order unit), are auto-populated based on the values entered on the previous purchase order for the same vendor; or, the product defaults.  These values can be modified.  If they are modified, the defaults for the product and/or vendor, will be updated (after an affirmative response to a confirmation message).
7. Each variation of the product can have a unique set of values for the Expiration Date, Lot Number, Serial Number, and Manufacturer.  
8. If the same variation of the product already exists in inventory, the quantity of that variation will be updated; otherwise, the new variation will be added to inventory.
   1. This can be verified on the 'Product Setup' screen → 'Inventory' tab -> 'Inventory' tab.
9. Click the 'Save' button to save changes, without posting them to inventory; or, click the 'Post' button to save the changes, and post them to inventory.

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When inventory is received, the status of the purchase order, and the purchase order items, is updated to either 'Received' or 'Incomplete' (see 'Inventory and Accounting Definitions').