> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.trendhero.io/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How can you add a VAT number or your company details?

### Fast Spring payment system 

1. Select your country.
Click on: **Enter VAT ID**

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/fs-vat-number-1_4u287u.png)

2. Write your VAT number and click on **Submit**

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/fs-vat-number-2_1ibe99c.png)

3. You will see that your tax number has been activated.

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/fs-vat-number-3_1psdd84.png)


### Paddle payment system 

1. Select your country and Post code.

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/screenshot-2023-05-02-at-15492_h7272j.png)

Click on: **Continue**

2. Click on: **Add VAT**

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/screenshot-2023-05-02-at-15494_gee2vj.png)

3. Write your VAT number and your company details.

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/paddle-payment-system-3_ng6cmq.png)

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/paddle-payment-system-4_180war.png)

Click on: **Add VAT number**

4. You will see that your tax number has been applied.

![](https://storage.crisp.chat/users/helpdesk/website/8da58b676c829000/paddle-payment-system-5_pj9y16.png)