| CustomerItemID | Is the identifier provided by the customer for the item. |
| EPCID | Allows an instance of an item to communicate the ElectronicProductCodeID that it was assigned. The ElectronicProductCodeID is one of the major RadioFrequency Identifiers used. |
 ItemID | Is the primary item Identifier associated with the given item within the scope of the given integration as provided by the Party or entity that has created this document instance. |
| LotIDs | Identifies the Lot Identifiers of all of the lots that are contained in the associated set of items.Contains the sequenced identifier for the associated component or noun. |
| LotSerial | LotSerial is being deprecated in favor of SerializedLot as of 9.2 release.
This can be used in three ways: specify multiple serial numbers for a given lot, or specify multiple lots without serial numbers, or specify multiple serial numbers without a LotID. Typically, the parent element that uses LotSerial also provides the ability to provide a single lot number and serial number pair, which can be used for the cases where there are no multiple lots or serial numbers involvedIdentifies a unique serial number and/or lot number for an item |
| ManufacturerItemID | Is the identifier provided by Manufacturer for the Item. One example may be the model number. |
| RFID | Allows an instance of an item to carry any radio frequency identifier (RFID) that maybe used by a supply chain. |
| SerialNumber | Unique serial number assigned to the given item instance by the manufacturer. |
| SupplierItemID | Is the identifier provided by the supplier for the item. |
| UPCID | Allows an instance of an item to have a UPC identifier associated. |
| UserArea | Allows the user of OAGIS to extend the specification in order to provide additional information that is not captured in OAGIS. |