# Link Retail Customers with Sales Bills

**YouTube:** [How to Link Retail Customers with Sales Bills After Saving?](https://www.youtube.com/watch?v=fn6TKE0c5fg)

## How to Link Retail Customers with Sales Bills After Saving?

In this tutorial, we will learn how to **link a retail customer with an already generated sales bill** in Logic ERP.

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### Generate a Retail Bill Without Customer Details

* Open the **Sales Bill** module.
* Scan or select the product.
* Proceed with billing **without entering any retail customer details**.
* Enter the **payment information**.

<figure><img src="/files/DZj0jkheoirm4CLhpgw7" alt=""><figcaption></figcaption></figure>

* Save the bill.

**Result:**

The sales bill is generated successfully **without a retail customer linked**.

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### Link a Retail Customer to an Existing Bill

For a faster and more efficient process, use the dedicated linking feature:

* Open the **Link Retail Customers with Bills** module.
* Select the **bill number** to which you want to link a retail customer.

<figure><img src="/files/cCjHc4ik8ep0lSYMWThl" alt=""><figcaption></figcaption></figure>

* Click **OK**.
* Select the bill and click **Link Retail Customer**.

<figure><img src="/files/PRyM813Hs10WkhlbpI0U" alt=""><figcaption></figcaption></figure>

* Choose the appropriate **retail customer** from the list.

<figure><img src="/files/hInQiwZq7CTyfAb1woKX" alt=""><figcaption></figcaption></figure>

* Click **OK**.
* Confirm the action by clicking **Yes** on the update confirmation message.

**Result:**

The selected retail customer is now successfully linked to the sales bill.

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### Verify the Update

* Open the same **Sales Bill**.
* Review the **customer details section**.

<figure><img src="/files/GyfB1ag5J61CrmX46B1i" alt=""><figcaption></figcaption></figure>

You will notice that the **retail customer information has been updated correctly** in the bill.

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### Summary

* Retail bills can be generated **without customer details**
* Existing bills can later be linked to **retail customers**
* Dedicated module ensures **quick and accurate linking**
* Customer details are **updated instantly** in the sales bill


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