> For the complete documentation index, see [llms.txt](https://docs.solutioo.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.solutioo.de/magento-2-api-connector/magento2_en_us/configuration/tax-mapping-and-business-central-tax-setup.md).

# Tax Mapping and Business Central Tax Setup

Tax Mapping links Magento tax classes and rates to BC posting groups.

### Download Data

The initial download retrieves tax rules/rates and creates mapping lines per store.

### Mapping

1. Open Tax Mapping.
2. Review the Magento class and rate.
3. Select the matching VAT Product Posting Group.
4. Add the general product posting group.
5. Save and run a test order.

### Create BC Tax Base

The action **Setup Business Central Tax** can create defaults for 0%, 7%, and 19%.

{% hint style="danger" %}
Do not use in production tenants without review. Existing posting matrices may differ.
{% endhint %}

### Validation

Verify multiple tax rates, shipping, discount, gross/net, rounding, and credit memos. Compare the Magento order, BC lines, and posted documents.


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