# Item code

Source: https://developer.avalara.com/avatax-dm-combined-erp/sales-tax-badge/designing/item-code/

# Item code

**Element type: Required**

**Endpoints used:** [ItemModel](https://developer.avalara.com/api-reference/avatax/rest/v2/models/ItemModel/)

Your UI must include a method for allowing users to specify an item code that is passed to AvaTax to associate a tax code. Item codes must be unique strings and can have a maximum length of 50 characters. Possible possible item codes include product SKUs, IDs, and names. Refer to the [ItemModel API](https://developer.avalara.com/api-reference/avatax/rest/v2/models/ItemModel/) for more information.  

```
{    "id": 56789,    "companyId": 12345,    "itemCode": "CERMUG",    "taxCode": "P0000000",    "description": "Ceramic Mug",    "itemGroup": "Mugs",    "classifications": [        {            "productCode": "9011900000",            "systemCode": "TARIC"        }    ]}
```

[Previous](/avatax-dm-combined-erp/sales-tax-badge/designing/ship-to-address-exemption)

[Next](/avatax-dm-combined-erp/sales-tax-badge/designing/item-description)