# Use Hide Lots in case of -ve Billing

**YouTube:** [How to Enable the Hide Lots Feature in Sale Bill ?](https://www.youtube.com/watch?v=XTooqqOsMAQ)

## How to Enable the Hide Lots Feature in Sale Bill ?

In this tutorial, we’ll demonstrate how to **hide lot numbers** when dealing with **negative stock** during billing in **Logic ERP**.

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### Access Sales Voucher Configuration

* Navigate to **Sales Voucher Configuration**.
* Select the **relevant Billing Series**.
* Locate and Disable the Feature labeled: **"Use Hide Lots in Case of -ve Billing"**

<figure><img src="/files/z8dVOU2VVWbs0LWqZsoQ" alt=""><figcaption><p>Let's keep this feature Disable to observe its impact in Billing.</p></figcaption></figure>

### Behavior When Feature is Disabled

* Proceed to the **Sales Bill** window.
* Attempt to bill an item that shows a **negative lot**.
* Press **F6** to try hiding the lot.

<figure><img src="/files/olHrIb6RR25EmiC9AQdC" alt=""><figcaption></figcaption></figure>

**Observation:**

> The system does **not allow** you to hide the negative lot since the feature is disabled.

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### Behavior When Feature is Enabled

1. Go back to Sale Voucher Configuration and **enable: "Use Hide Lots in Case of Negative Billing"**.
2. Save the configuration.
3. Again, open the **Sales Bill** screen and bill the same item with a negative lot.
4. Press **F6** on the negative lot.

<figure><img src="/files/nkVoQC1zOJGd5Pqq72CG" alt=""><figcaption></figcaption></figure>

**Observation:**

> The negative lot is now **successfully hidden** from view.

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#### 🔎 View Hidden Lots

* To review hidden lots at any time, use the **“Hide Lot”** option available in the **lot selection window**.

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#### 🎯 Summary

| **Feature** | **Effect**                                               |
| ----------- | -------------------------------------------------------- |
| Disabled    | Negative lots remain visible and cannot be hidden        |
| Enabled     | Users can hide negative lots using **F6** during billing |


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