> For the complete documentation index, see [llms.txt](https://bluurdoc.bluur.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bluurdoc.bluur.ai/en/features/settings/company-data.md).
# Company data
The Company data tab is used to complete information about the organization, the payer, and the data used when purchasing a subscription and issuing invoices.
Organization data and billing information settings.
### Tax
Section **Tax** contains tax information used when processing payments and issuing invoices.
Select the billing country and provide the appropriate tax identification number:
* **Tax ID** – for entities using a Polish tax identification number;
* **VAT ID** – for entities using a tax identifier in foreign settlements.
{% hint style="danger" %}
**Important:** Company data and tax information are used when issuing billing documents. Check their correctness before purchasing a subscription. If the invoice was issued with incorrect data, go to the section [**Help**](/en/system/technical-support.md) and report a billing issue.
{% endhint %}
---
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