> For the complete documentation index, see [llms.txt](https://docs.saaster.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.saaster.io/fundementals/administration/system/system-settings.md).

# System settings

The system settings contain system-wide settings that you can make for your software.

## Invoice settings

<figure><img src="/files/sykZsxrpXzMcKyzH3uvd" alt=""><figcaption></figcaption></figure>

{% tabs %}
{% tab title="First setting" %}
**New invoice: At which invoice number should the system start?**

* Each invoice is numbered, while here you enter the starting number of the invoice you want to start with.
  {% endtab %}

{% tab title="Second setting" %}
**The rounding factor for invoice amounts**&#x20;

* For invoice amounts that receive an odd sum, the system can round up or down. Determine here which rounding factor is to be used for this.&#x20;
* Please note that at the moment only rounding to 5 cents (Switzerland) or to 1 cent can be used.
  {% endtab %}

{% tab title="Third setting" %}
**Invoices can be preceded by a short prefix**

* Each invoice number can be preceded by a prefix
* Example for the first invoice: INV-1000
* Or: RE-55200
* etc.
  {% endtab %}

{% tab title="Fourth setting" %}
**Which vat type should be set by default?**

You can choose between the following 3 VAT types:

* Incl. VAT
* Excl. VAT
* No VAT
  {% endtab %}

{% tab title="Fifth setting" %}
**Decide whether the invoices are issued "net" by default.**

Furthermore, it is possible to select the default value for gross and net:

* Netto
* Gross (brutto)
  {% endtab %}
  {% endtabs %}

## Layout settings

In this setting you can define the layout and color scheme of saaster. This setting will be applied globally for the whole application.

<figure><img src="/files/e0iNWZyOg45Fr8QGWPoQ" alt=""><figcaption></figcaption></figure>