> For the complete documentation index, see [llms.txt](https://kb.logicerp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.logicerp.com/logic-erp-learning-hub-tutorials-and-best-practices/billing/packing-slip/packing-slip-configuration/way-bill-no-selection-required.md).
# Way Bill No Selection Required
**YouTube:** [How to Make Waybill Number Selection Mandatory in Packing Slips?](https://youtu.be/d4aWqHLpXu0)
## How to Make Waybill Number Selection Mandatory in Packing Slips?
In this tutorial, we will learn how to configure Logic ERP to **restrict saving a Packing Slip without selecting a Waybill**.
***
### Objective of This Feature
* Make Waybill selection mandatory
* Prevent Packing Slips from being saved without a Waybill
* Ensure complete document information
* Improve transaction accuracy
* Enforce Waybill selection during entry
***
### Enable Mandatory Waybill Selection
* Open the **Packing Slip Configuration** window.
* Navigate to the **Other Options Two** section.
* Locate and enable the option labeled as:
> **"Waybill Number Selection Mandatory"**
* Save the configuration changes.
***
### Create a New Packing Slip
* Initiate a new **Packing Slip** entry.
* Select the required **Customer**.
* Select the required **Sales Order**.
**Result**
The **Waybill Selection** option is now enabled in the Packing Slip entry.
***
### Try Saving Without a Waybill
* Do not select a Waybill.
* Proceed to the **Item Details** section.
* Allocate the required quantity.
* Click **Save**.
**Result**
* The software restricts the transaction and displays the error:
> **"Waybill selection is mandatory."**
This means a Waybill must be selected before the Packing Slip can be saved.
***
### Select the Waybill and Save
* Return to the **Header Details** section.
* Select the required **Waybill Number**.
* Click **Save** again.
**Result**
The software allows the Packing Slip entry to be **saved successfully** because the required Waybill has been selected.
***
### Key Benefits
* **Mandatory Validation:** Ensures a Waybill is selected before saving.
* **Improved Accuracy:** Prevents incomplete Packing Slip entries.
* **Better Compliance:** Helps maintain required Waybill information.
* **Reduced Errors:** Avoids transactions without necessary documentation.
***
### Final Outcome
After enabling **"Waybill Number Selection Mandatory"**, Logic ERP prevents users from saving a Packing Slip until a valid **Waybill Number** is selected, ensuring complete and accurate transaction entry.
---
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