# Check for Negative Stock
**YouTube:** [How to Enable or Disable Negative Stock Billing in Logic ERP Software?](https://www.youtube.com/watch?v=jGTRVNCkoo4)
## How to Enable or Disable Negative Stock Billing in Logic ERP Software?
Maintaining **accurate inventory records** is essential for smooth business operations. This tutorial will guide you through the process of **enabling and disabling** the **Check for Negative Stock** feature in Logic ERP.
### **Enabling the Negative Stock Check**
* Navigate to **Sale Voucher Configuration**.
* Select the appropriate **Billing Series**.
* Locate and Enable the option **"Check for Negative Stock"**.
### **How It Works During Billing**
* Navigate to the **Sale Billing** under the Billing module.
* When this option is enabled, if the **entered quantity exceeds available stock**, the system **prompts a message**: **"Insufficient Stock"**, preventing the transaction.
### **Disabling the Negative Stock Check**
* The feature can be **disabled directly** from the **Sales Bill Form**.
* Navigate to **Configuration** and **uncheck** the **"Check for Negative Stock"** option.
* Once disabled, the system **allows billing** even if the stock goes negative.
This feature helps businesses **prevent overselling** and **maintain stock accuracy**, ensuring smooth inventory management.
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