# Tax categories

Create a tax category for an [SKU](/core-api-reference/skus.md) that has special taxation. Specify a valid tax `code` for the associated [tax calculator](/core-api-reference/tax_calculators.md).

{% hint style="warning" %}
Currently supported via [Avalara](/core-api-reference/avalara_accounts.md), [Stripe Tax](/core-api-reference/stripe_tax_accounts.md), and [Taxjar](/core-api-reference/taxjar_accounts.md) integrations only.
{% endhint %}

<details>

<summary>Data model</summary>

Check the related [ER diagram](/data-model/payments-and-tax/tax-calculation.md) and explore the flowchart that illustrates how the tax category resource relates to the other API entities.

</details>


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