---
title: Purchase Orders
description: Purchase Orders
---
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1. [ServiceBox Support Knowledge Base](https://learn.getservicebox.com/?hsLang=en)
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# Purchase Orders
## This article explains how to enter purchase order details within a work order and how that information carries over to the invoice.
### **Purchase Orders in Time and Materials**
Within a work order, on the **Time and Materials** tab, there is a line item section called **Purchase Orders**.
**Purchase Orders in Time and Materials**
Within a work order, on the **Time and Materials** tab, there is a line item section called **Purchase Orders**.
In the **Description** field, you can enter the name of the supplier where materials were purchased, along with the amount spent. Click the checkmark to save the entry
### Enabling Auto-Generated PO Numbers
The **Auto Generate PO#s** feature can be enabled in the **Features** section under **Settings**. The starting number for auto-generated PO numbers is set on the **Tenant** page in Settings.
Most companies choose **not** to use auto-generated PO numbers. Instead, they enter either the **work order number** or a **till receipt number** as the PO number.
### What Happens at Invoicing
Once the work order is completed and an invoice is created, any information entered in the **Purchase Orders** section will be transferred to the **Materials** section of the invoice.
If you used a supplier name in the Purchase Order line, it may be useful to break it into individual material items on the invoice to better track item-level pricing going forward.
### **Need Help?**
If you have any questions or need support, please click the Help button in your ServiceBox account or email us at **support@getservicebox.com**.
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