# Pick Item Wise Do Not Affect Stock from Item Masters
**YouTube:** [How to Enable ‘Do Not Affect Stock’ per Item from Item Master in Sale Bill?](https://www.youtube.com/watch?v=CiZIsImX_yY)
## How to Enable ‘Do Not Affect Stock’ per Item from Item Master in Sale Bill?
This tutorial explains the functionality and practical use of the **"Pick Item Wise Do Not Affect Stock from Item Masters"** feature in Logic ERP, especially for businesses dealing with both **stock and service items**.
***
### **Access Sale Voucher Configuration**
* Navigate to **Sale Voucher Configuration**.
* Select the relevant **Billing Series**.
* Locate and enable the option labeled as:
> **“Pick Item Wise Do Not Affect Stock from Item Masters”**
* Click **Save** to apply changes.
> **Purpose**: Automatically picks the “Do Not Affect Stock” flag from the **Item Master**, removing the need for manual intervention during billing.
***
### **Configure Items in Item Master**
* Go to **Item Master Setup**.
* For **Regular (stock) items**:
* Leave **“Do Not Affect Stock”** unchecked.
* For **Service (non-stock) items**:
* Enable **“Do Not Affect Stock”**.
> This setup ensures that inventory is only adjusted for physical goods, not for services like installations or consultations.
***
### **Enable Stock Column in Billing**
Before billing, ensure the following:
* Open **Column Attribute Settings**.
* Enable the **“Update Stock”** column.
This allows visibility of whether stock is affected or not during billing.
***
### **Process a Sale Bill and Observe Behavior**
* Go to the **Billing Screen**.
* Add a mix of:
* Regular items (e.g., Physical Goods)
* Service items (e.g., Services)
* Observe the **“Update Stock”** column for each item.
### **Result:**
* For **Regular Items**: Stock is **automatically updated**.
* For **Service Items**: Stock remains **unaffected**, as pulled from the Item Master.
***
### **Key Benefits of This Feature**
| Feature | Description |
| ------------------- | ---------------------------------------------------------------- |
| Automation | No need to manually select “Do Not Affect Stock” during billing. |
| Accurate Inventory | Prevents service items from incorrectly impacting stock levels. |
| Seamless Operations | Reduces billing errors and manual checks. |
| Better Reporting | Ensures clean separation of stock vs. non-stock transactions. |
***
### **Pro Tip**
> Always ensure your item master is properly maintained with accurate classifications between stock and service items to get the full benefit of this automation.
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