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# Tax code for products

To ensure proper transaction processing and data transfer to external systems, you can use the Tax Code field in your product settings. This field allows you to input specific information, such as tax codes, to pass this data to external services.

In this guide, we’ll walk you through how to configure the Tax Code field for your products.

|| ${color}[#ffa800](Note:) Currently, these settings are designed as a flexible solution for passing data to external systems. If you need additional functionality, such as support for letters or customized configurations, please let us know via chat or email support@weblium.com

1. Identify the tax codes or other information you need to pass to external systems. These values are typically provided by your fiscal or integration service provider.

2. Navigate to the product you want to edit and access its settings:
![](https://storage.crisp.chat/users/helpdesk/website/fa84b4d83a50e800/angl-1_ej5wc1.png)
3. Find the **Tax Code** field under the **Tax Settings** section and input the appropriate value you need:
![](https://storage.crisp.chat/users/helpdesk/website/fa84b4d83a50e800/angl-29_1kwfudu.png)
|| ${color}[#ffa800](Note:) The field currently supports only numeric values, with a maximum of 16 characters. If you need to add multiple values, separate them with commas, e.g., `1, 2`

4. Click **Save** to apply changes:
![](https://storage.crisp.chat/users/helpdesk/website/fa84b4d83a50e800/fngl-3_ls5uax.png)