# BT-158 — Item classification identifier

> https://billhorse.com/en/terms/bt-158/

Classifies the item within a scheme such as UNSPSC, CPV or eCl@ss; repeatable. The code list goes into the mandatory listID attribute (UNTDID 7143).

## Where does it live in the XML?

- UBL: `cac:InvoiceLine/cac:Item/cac:CommodityClassification/cbc:ItemClassificationCode (@listID)`
- CII: `ram:SpecifiedTradeProduct/ram:DesignatedProductClassification/ram:ClassCode (@listID)`