Portugal PTC: Item Commodity Classification
The Portuguese Public Administration requires that you classify items.
Use the ItemClassificationCode sub-element of the Item element to model this information. 
If you like, you can use the values from the European Common Procurement Vocabulary (CPV) here.
Elements
| Element | Description | 
|---|---|
| Invoice/InvoiceLine/Item/CommodityClassification/ItemClassificationCode | Specify the classification code. | 
| Invoice/InvoiceLine/Item/CommodityClassification/ItemClassificationCode [@listID] | Use STI. | 
Restrictions
- You must use STIas the value for the@listIDattribute. This is from the UNCL 7143 list.
Example
<ubl:Invoice>
    <!-- Code omitted for clarity -->
    <cac:InvoiceLine>
        <!-- Code omitted for clarity -->
        <cac:Item>
            <cac:CommodityClassification>
                <cbc:ItemClassificationCode listID="STI">09343000-5</cbc:ItemClassificationCode>
            </cac:CommodityClassification>
        </cac:Item>
        <!-- Code omitted for clarity -->
    </cac:InvoiceLine>
     <!-- Code omitted for clarity -->
</ubl:Invoice>
Updated about 1 month ago
