The Epicor Company Configuration setting for PO Release > Close Release At designates the point in the purchasing / receiving / invoicing processing flow at which purchase releases should be assigned a Closed status. Choices are: Arrived, Receipt, Invoice.

The setting controls the point at which the PO Release is closed.

Epicor Company Configuration, “Purchase Order Release > Close Release At Invoice

When this is set to close PO Releases at Invoicing, the processing steps that close a PO Release are:

Create a PO/Line/Release then Receive

The Release status is Received.

Invoice the PO Receipt. 

The Release status is Closed. 

Note: The Invoice does not need to be Posted, just entered.

Each PO Line will close when its Releases close.  PO Lines that are Open have Releases in Status Received or Open.  The Release status will go to Closed when the Receipts are Invoiced.  After all the Release statuses for a Line are Closed, the Line status will go to Closed.