# Purchase Voucher date should be equal to Purchase Challan Date when retrieved YouTube: [How to Ensure Purchase Voucher Date Matches Purchase Challan Date During Retrieval?](https://www.youtube.com/watch?v=i_JKI7pofKo) ## How to Ensure Purchase Voucher Date Matches Purchase Challan Date During Retrieval? This tutorial explains how to enable a validation that restricts saving a purchase voucher if its date does not match the corresponding purchase challan date. *** ### **Access Logic Admin Settings:** * Open the **Logic Folder** and run **Logic Admin**. * Go to **Global Settings**. * Navigate to the **Purchase** tab. * Locate and enable the option: **"Purchase Voucher dates should be equal to Purchase Challan date when retrieved"**.

Let's keep this feature enable to observe its impact in Purchase.

* Click **Save** to apply the changes. * Restart the software to ensure the configuration takes effect. *** ### **Validate the Configuration:** 1. Go to the **Purchase Entry** module. 2. Retrieve a **Purchase Challan** into the purchase entry. 3. Attempt to save the purchase with a voucher date that differs from the challan date. 4. The system will display an error:\ \&#xNAN;**“Document date should be equal to Purchase Challan date.”**