# Move Job Order Lot Number in PO Lot Number (Job Order based PO)
**YouTube:** [How to Map Job Order Lot Number to Purchase Order Lot Number During Retrieval?](https://www.youtube.com/watch?v=k9U2wJrjSNE)
## How to Map Job Order Lot Number to Purchase Order Lot Number During Retrieval?
This tutorial explains how to automatically move the **Lot Number** from a retrieved **Job Order** into a Purchase Order in Logic ERP. This feature helps maintain consistency in lot tracking and reduces manual entry during Purchase Order creation.
***
### **Objective of This Feature**
* Automatically carry forward Lot Numbers from Job Orders
* Reduce manual lot number entry
* Maintain consistency in transaction tracking
* Improve accuracy during Job Order retrieval
***
### **Understand the Default Behavior**
* A **Job Order** has already been created with a defined **Lot Number.**
**Default System Behavior**
* While retrieving the Job Order into a Purchase Order:
* Lot Number is **not automatically transferred** by default
***
### **Enable Lot Number Transfer Setting**
* Open **Purchase Order Configuration Window**
* Navigate to **Default Settings**
* Locate and enable the option labeled as:
> **“**Move Job Order Lot Number in PO Lot Number (Job Order based PO)**”**
* Click **Save**
***
### **Create New Purchase Order**
* Create a **New Purchase Order**
* Select any **Supplier**
* Proceed to the **Item Details Section**
**Retrieve Job Order**
* Click on **Retrieve**
* Choose **Job Order Option**
* Search and select the required **Job Order.**
***
### **Verify Lot Number Transfer**
**Observation**
* Check the **Lot Number Column.**
**System Behavior**
* The same Lot Number defined in the Job Order is automatically reflected in the Purchase Order.
***
### **Key Benefits**
* Eliminates manual lot number entry
* Maintains consistency between Job Orders and Purchase Orders
* Improves lot tracking accuracy
* Speeds up transaction processing
***
### **Best Practice Tips**
* Ensure Lot Numbers are properly defined in Job Orders
* Use this feature for batch-wise or lot-wise inventory tracking
* Regularly verify retrieved transaction details before saving
***
### **Final Outcome**
* Lot Numbers are automatically transferred from Job Orders to Purchase Orders
* Improved accuracy and consistency in lot management
* Faster Purchase Order processing
* Better inventory tracking and operational efficiency
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