# Adjust Sale Challan against Returns

**YouTube:** [How to Manually Adjust a Sales Challan Against Challan Returns?](https://www.youtube.com/watch?v=dyuRsK7yEnY)

## How to Manually Adjust a Sales Challan Against Challan Returns?

In this tutorial, we will learn how to **adjust a Sale Challan against a Sale Challan Return** in **Logic ERP**. This process ensures accurate quantity tracking by reducing the original challan quantity based on returned items.

***

### Review the Sale Challan

* Open the **Sale Challan** module
* Review the Challan created for the transaction
* In this example, a **Sale Challan for 100 units** has been generated

<figure><img src="/files/fa3heUrpTrR3hGMjsovd" alt=""><figcaption></figcaption></figure>

***

### Review the Sale Challan Return

* Navigate to the **Sale Challan Return** module
* Open the relevant return document
* Verify that a **Sale Challan Return for 20 units** has been created for the same item

<figure><img src="/files/Lqq4i2fN1T6gPV5E5Pq1" alt=""><figcaption></figcaption></figure>

***

### Open Adjustment Module

* Navigate to **Adjust Sale Challan Against Returns**
* The adjustment screen opens

<figure><img src="/files/ftLcwRZ4OJkXRYHOEO5w" alt=""><figcaption></figcaption></figure>

***

### Select Documents for Adjustment

* Select the relevant **Sale Challan Return** from the list

<figure><img src="/files/PEPUWpC4nwrAKQWurbxQ" alt=""><figcaption></figcaption></figure>

* Select the **Sale Challan** against which the return needs to be adjusted

<figure><img src="/files/YNVDtpY279IbqatbDVys" alt=""><figcaption></figcaption></figure>

***

### Choose Adjustment Basis

* Select the **Basis of Adjustment**:
  * **Lot** – Adjusts return quantity **lot-wise**, based on specific lot numbers
  * **Item** – Adjusts return quantity **item-wise**, without considering lot numbers

<figure><img src="/files/wwDOUXAJ6IfReFRa1UE2" alt=""><figcaption></figcaption></figure>

* For this tutorial, select **Item** as the adjustment basis

***

### Complete the Adjustment

* Click **Adjust** to complete the process

<figure><img src="/files/dZ919relOCTnGfgBqV6y" alt=""><figcaption></figcaption></figure>

* The system updates the Sale Challan quantity accordingly

***

### Verify Adjustment

* Open the adjusted **Sale Challan**
* Observe the quantity change:
  * Original Quantity: **100 units**
  * Adjusted Quantity: **80 units**

<figure><img src="/files/WIg3xDuPzwg9ZpnkNyTA" alt=""><figcaption></figcaption></figure>

* This confirms that the **Sale Challan** has been successfully adjusted against the **Sale Challan Return.**

***

### Undo (Un-Adjust) the Sale Challan Adjustment

* Navigate again to **Adjust Sale Challan Against Returns**
* Click **Undo Adjustment**
* Select the relevant **Sale Challan**

<figure><img src="/files/lBYnDqOiB2EJI2eZYRmO" alt=""><figcaption></figcaption></figure>

* Click **Refresh** to view adjusted details:

<figure><img src="/files/hMUTYTuIlvl48vNib4Lw" alt=""><figcaption></figcaption></figure>

* View **Item-wise** details, or Switch to **Consolidated View** if required
* Click **Undo Adjustment** to reverse the process

<figure><img src="/files/LLpaW3UlLdtuRfubDk2O" alt=""><figcaption></figcaption></figure>

***

### Verify Undo Adjustment

* Open the corresponding **Sale Challan**
* Observe that:
  * The full quantity of **100 units** is restored

<figure><img src="/files/9uPz3NiDWAIHlajSJqU1" alt=""><figcaption></figcaption></figure>

* This confirms that the Sale Challan has been successfully **unadjusted** from the Sale Challan Return

***

### Conclusion

Adjusting Sale Challans against Sale Challan Returns helps:

* Maintain accurate quantity records
* Ensure correct dispatch and return reconciliation
* Easily reverse adjustments when required


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://kb.logicerp.com/logic-erp-learning-hub-tutorials-and-best-practices/billing/adjust-sale-challan-against-returns.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.