# Do Not Allow Purchase Entry W/O Purchase Order
**YouTube:** [How to Globally Restrict Purchase Entry Without a Purchase Order?](https://www.youtube.com/watch?v=yeoNdtJKV88)
## How to Globally Restrict Purchase Entry Without a Purchase Order?
This setting enforces stricter purchase controls by **disallowing direct purchase entries**—ensuring that purchases are only made through **Purchase Order (PO) retrieval**.
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### **Step-by-Step Configuration**
* Open the **Logic Folder** and run **Logic Admin**.
* Navigate to **Global Settings**.
* Go to the **Purchase Options** tab.
* Locate and enable the option Labeled: **“Do Not Allow Purchase Entry W/O Purchase Order”**.
Let's keep this feature enable to observe its impact in Billing.
* Click **Save** to apply the changes.
* **Restart the software** for the setting to take effect.
> **Note:**\
> This setting can also be enabled individually for each **Purchase Voucher Series** via the **Purchase Voucher Configuration**.
***
### **Functionality in Billing**
* Try creating a **purchase entry** without retrieving a Purchase Order.
* The software will display an **error message**: \
\&#xNAN;**“No entry allowed without purchase order/chalan.”**
As shown in the picture above software prompt “No entry allowed without purchase order/chalan.”
* To proceed, you must **retrieve an existing Purchase Order**.
***
### **Benefits**
* Prevents unauthorized or undocumented purchases.
* Ensures all purchase entries are backed by a valid PO.
* Enhances inventory and procurement control across branches.
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