Receiving Against a Partial PO

You have to create a Purchase Order first by going to PO & Receiving Module > Select Purchase Order > Add the item > Supplier > And Save Purchase Order

When you are ready to receive the item partially simply go to PO & Receiving Module, and select Lookup or Type an existing PO# to Receive: 

You will see then the results, select the PO

You have an option if you would to pull up the "Get Items only or Get Items & Qty"
GET ITEMS will bring up the items without the quantity
GET ITEMS & QTY will bring up the original quantity you have in the Purchase Order

Enter the current quantity you are partially receiving > Add Payment if needed > Click Finish

After you received items partially, when you pull up the Purchase Order again, you can scan the items you have received in for that PO, and you will how many quantity you will need to receive in the PO.

Checking the Mark Complete checkbox will remove the PO from the list of suspended PO's.  Make sure you ONLY check this box if you are receiving the PO in it's ENTIRETY.