---
title: "Allow Negative Inventory"
slug: "allow-negative-inventory"
updated: 2026-08-10T20:23:30Z
published: 2026-08-10T20:23:30Z
canonical: "help.idibilling.com/allow-negative-inventory"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.idibilling.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Allow Negative Inventory

Allow Negative Inventory means this product can be sold even though the inventory for it is less than or equal to zero. For example, you physically have the product, but it has not yet been entered as received in the system. This functionality can be used with three types of transactions:

**On Sale**

**On Sale** refers to Make Sale transactions.

**On Sales Request**

**On Sales Request** refers to Make Sale Requests transactions.

**On Fulfillment**

**On Fulfillment** refers to Fulfillment Requests.

1. Check the transaction types to allow negative inventory.
2. If none are checked, this product cannot be sold if it is not listed in your inventory.

> [!NOTE]
> Note
> 
> These options are available when ***Is Inventoried*** is checked.