# Cancel Sale Bills
**YouTube:** [How to Cancel Sales Bills, Returns, and Challans?](https://www.youtube.com/watch?v=cm0asD-TWnU)
## How to Cancel Sales Bills, Returns, and Challans?
In this tutorial, we will learn how to **cancel a sales bill in Logic ERP** and understand its impact on sales records and reports.
***
### Access the Sales Bill List
* Navigate to the **Sales Bill** module to view the list of already generated sales bills.
* Turn **Num Lock OFF** on your keyboard.
* Press **Alt + Insert** simultaneously.
* The **Modify** option will appear.
* Right-click on **Modify** and select **Search**.
* The system will display the list of generated sales bills.
***
### Open the Cancel Sales Bills Module
* Go to the **Cancel Sales Bills** module.
* This module allows you to cancel:
* **Sales Bills**
* **Sales Challans**
* Select **Document Type** as **Sales Bill**.
***
### Cancel the Required Sales Bill
* Click on **Select Bills Based on Selected Document Type**.
* The system will display all sales bills available for cancellation.
* Select the bill number **GST191**.
* Click **OK**, then click **Search**.
* Select the bill and click **Start Canceling of Bills**.
* Enter the **reason for cancellation** (optional but recommended).
* The bill is now **successfully canceled**.
***
### View Canceled Bills
* Enable the option **Show Canceled Bills Only**.
* The system will display the list of canceled bills.
* You will see **GST191** in the list, confirming that the cancellation has been recorded successfully.
***
### Verify Cancellation in Sales Bill Module
* Return to the **Sales Bill** module.
* You will notice that bill number **GST191** is no longer visible.
* This confirms that the cancellation has been applied correctly.
***
### View Canceled Bills in Sales Reports
* Open the relevant **Sales Report**.
* Press **F5** to open the **Configuration** window.
* Go to **Other Options**.
* Locate the **Cancel Bills Filter** option.
* **Un-Canceled Bills** – Displays only active bills
* **All Bills** – Displays both active and canceled bills
* **Canceled Bills Only** – Displays only canceled bills
* Select **Canceled Bills Only**.
* Press **F2** to refresh the report.
* As observed, the report now displays **only the canceled bills**.
> **Note:** If the **Cancel Reason** column is not appearing in the report, go to **Set Column Attribute** and enable the required column.
***
### Conclusion
Canceling sales bills in Logic ERP:
* Ensures accurate sales records
* Maintains audit clarity
* Provides full traceability in reports
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