Inventory Controller XE version 2.1.70 or later allows you to create multiple barcodes per item within Inventory Detail screen.
For the Primary/Main item barcode used Custom Field 1, 2, or 3 is to be the dedicated place to assign the primary barcode to an item.
Additional barcodes may be required and recognised by ICXE as belonging to the same item code.
Common reasons, but not exclusive to, why multiple barcodes are required are as follows;
...