# Setting Invoice Scheme

With SenangUrus ERP you can configure the format for your invoice number.

[![Screenshot 2025-10-13 222305.png](https://docs.senangurus.com/uploads/images/gallery/2025-10/scaled-1680-/screenshot-2025-10-13-222305.png)](https://docs.senangurus.com/uploads/images/gallery/2025-10/screenshot-2025-10-13-222305.png)

[![image.png](https://docs.senangurus.com/uploads/images/gallery/2025-10/scaled-1680-/qLKimage.png)](https://docs.senangurus.com/uploads/images/gallery/2025-10/qLKimage.png)

To configure go to **Settings** -> **Invoice settings**

- Click on Add and select a scheme format.  
    Format can be **XXXX** or **<year>-XXXX**
- You can also provide a custom prefix, invoice start number, number of digits in the invoice number.
- The preview box will display the preview according to the chosen option.
- You will need to set a default invoice scheme for a business to use it.