> For the complete documentation index, see [llms.txt](https://kb.logicerp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.logicerp.com/logic-erp-learning-hub-tutorials-and-best-practices/accounts/configuration/journal-voucher-configuration/do-not-allow-entry-without-hsn-code.md).

# Do not Allow Entry Without HSN Code

**YouTube:** [How to Prevent Entry Without HSN Code in Journal Vouchers?](https://youtu.be/zTN1Ys7yTcc)

## How to Prevent Entry Without HSN Code in Journal Vouchers?

In this tutorial, we will learn how to restrict Journal Voucher entries if the HSN Code is not defined in Logic ERP. This feature ensures GST compliance by making HSN Code entry mandatory for taxable goods and services during Journal Voucher transactions.

***

### Objective of This Feature

* Make HSN Code mandatory in Journal Voucher entries
* Ensure GST compliance
* Prevent incomplete taxable transactions
* Improve GST return accuracy
* Restrict voucher saving without HSN details

***

### Access to Journal Voucher Configuration

* Go to **Menu Bar → Configuration.**
* Open **Journal Voucher Configuration.**
* Select Required **Configuration** from the dropdown list.
* Navigate to **Other Options Tab**
* Locate and enable the option labeled as:

> **“Do not Allow Entry Without HSN Code”.**

<figure><img src="/files/LZokVOwUWiQoWzkotlXR" alt=""><figcaption></figcaption></figure>

* Save the Configuration.

***

### Create a New Journal Voucher Entry

* Return to **Journal Voucher Entry Window.**
* Initiate **New Journal Voucher Entry.**
* Select GST Account during voucher entry.

**System Behavior**

* The software immediately:
  * Restricts the process.

<figure><img src="/files/syfrrqCBEI6kCtY3leop" alt=""><figcaption></figcaption></figure>

* **Displays:**
  * Message stating that the HSN Code is mandatory.

**Define the HSN Code**

* Enter Required HSN Code.

<figure><img src="/files/wOEuAIhvvOA9o6cus6Er" alt=""><figcaption></figcaption></figure>

**Result**

* Once the HSN Code is defined:
  * The software allows the Journal Voucher to be saved successfully.

***

### Importance of HSN Code in GST

* As per GST rules: HSN Code is mandatory for taxable goods and services.

***

### Benefits

* Proper GST classification.
* Accurate GST return filing.
* Better tax reporting.
* Reduced compliance errors.
* Improved accounting accuracy.

***

### Key Benefits of This Feature

* Prevents incomplete GST transactions.
* Ensures mandatory HSN compliance.
* Improves tax reporting accuracy.
* Reduces manual errors.
* Enhances accounting discipline.

***

### Best Practice Tips

* Always define HSN Codes for taxable accounts.
* Verify GST-related ledger configurations regularly.
* Train users to enter correct HSN details during voucher posting.
* Review GST compliance settings periodically.

***

### Final Outcome

* Journal Voucher entries cannot be saved without HSN Code.
* GST compliance is enforced automatically.
* Tax-related transactions remain accurate and properly classified in Logic ERP.


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