> For the complete documentation index, see [llms.txt](https://legacydocs.nexudus.com/platform/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://legacydocs.nexudus.com/platform/settings/billing-and-accounting/formatting.md).

# Formatting

This section determines the pattern that is used to generate the reference numbers for invoices, drafts and credit notes.

### **Invoice reference**

1. If the side menu is not visible, click ![](https://firebasestorage.googleapis.com/v0/b/gitbook-28427.appspot.com/o/assets%2F-LZFtxNPXnGfu3w0vzug%2F-LZnHZcwRtI7qlwNULS9%2F-LZnQv0ujZjL-QaAncT0%2Fhamburguer.svg?alt=media\&token=dd00faf3-6ca6-42f1-a90d-12bb2fa27021)
2. In the side menu, click [**Settings**](https://platform.nexudus.com/settings).
3. Click [**Billing and accounting**](https://platform.nexudus.com/settings/billing).
4. Click **Formatting**.
5. In the **Invoice reference** section, set the pattern for invoice, draft and credit note reference numbers. 
6. Click **Save changes**.

{% hint style="info" %}
**Note:** These settings affect **new** invoices only. Changing these settings will not affect existing invoices.‌
{% endhint %}

![Settings for invoice numbering](https://3743897482-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lbh_u87wC7EAH8sHaxc%2F-LiOpu1rljHNraRO4JCF%2F-LiOpwp05DT5P2ustTuK%2Fsettings_invoice_reference.png?alt=media\&token=7f4a363c-46ab-4fbd-849c-693cc185cfef)

### **Setting rounding precision**

These options allow you to determine the number of decimals to use in invoice totals; by default, invoice totals are rounded to two decimal places.

1. If the side menu is not visible, click ![](https://firebasestorage.googleapis.com/v0/b/gitbook-28427.appspot.com/o/assets%2F-LZFtxNPXnGfu3w0vzug%2F-LZnHZcwRtI7qlwNULS9%2F-LZnQv0ujZjL-QaAncT0%2Fhamburguer.svg?alt=media\&token=dd00faf3-6ca6-42f1-a90d-12bb2fa27021)
2. In the side menu, click **Settings**.
3. Click **Billing and accounting**.
4. Click **Formatting**.
5. In the **Amount rounding** section, set the level of invoice rounding precision.
6. Click **Save changes**.

![](https://3743897482-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lbh_u87wC7EAH8sHaxc%2F-LiOpzw58qG5f3xayO2O%2F-LiOq1UqNa2TNS5P3ZcR%2Fsettings_amount_rounding.png?alt=media\&token=aa740f20-1260-4edf-ae14-d7e01b4c0dc0)