# Set User Wise Back Date Entry/Modification Locking
**YouTube:** [How to Configure User Wise Backdate Entry and Modification Locking Schedule?](https://www.youtube.com/watch?v=9tzO6QzIOEk)
## How to Configure User Wise Backdate Entry and Modification Locking Schedule?
In this tutorial, you will learn how to **configure user-specific restrictions** for **backdated entries and document modifications** in Logic ERP. This feature ensures **better control, accountability, and data security** for each user.
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### Open User-Wise Locking Setup
**To Begin:**
* Navigate to the **User Access Module**.
* Open **Set User Wise Back Date Entry / Modification Locking**.
This window displays:
* List of **Users**
* Their current **Setting Status**
* By default, the status appears as **“Not Defined”**, meaning no restrictions are applied.
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### Select User for Configuration
Now define restrictions for a specific user.
* Locate the user (e.g., **Billing User 1**).
* Press the **Spacebar** in the **Setting Column**.
* This opens the **Backdate Entry / Modification Locking Schedule Window**.
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### Choose Document for Locking
* A list of Documents will appear (e.g., Sale, Purchase, etc.).
* Select the **Sale Document**.
**Open Settings:**
* Right-click → Click **Settings**
* Or Press **F3** (shortcut)
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### Configure Lock Criteria
* The **Lock for Back Date Entry Window** will open.
* Here, you can define various locking rules based on your requirements.
**Apply Fixed Days Lock**
* Let’s configure a **Fixed Days Lock**:
* Enter the number of days (e.g., **1, 2, 3 days**).
* Click **Save**.
**What this means:**
* The selected user:
* Cannot **modify existing bills** within these days
* Cannot **create backdated entries** for these days
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### Log In with the User
* Log out of the system.
* Log in again using the **same user** for whom the lock is applied.
### Implement with Modification Restriction
* Navifgate to the **Sale Bill Window**.
* Open a bill within the **locked period**.
* Attempt to **modify and save** it.
**Result:**
* The system will **block the modification**
* An error message will appear:
* *Entry modification is locked for this period*
## Implement with Backdated Entry Restriction
* Create a **new sale bill**.
* Enter a **date within the locked period**.
* Try to **save the bill**.
**Result:**
* The system will **not allow saving**
* Backdated entries are **restricted for that user**
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## Key Benefits of User-Wise Locking
* Apply restrictions to specific users
* Improve accountability and control
* Prevent unauthorized backdated entries
* Ensure data accuracy and audit compliance
* Customize access based on user roles
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### Final Outcome
You have successfully learned how to:
* Configure **User-Wise Backdate Locking**
* Restrict **Modifications & Backdated Entries**
* Strengthen **data security and operational control**
Your system is now more **secure, controlled, and audit-ready**.
