> 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/billing/link-retail-customers-with-bills.md).

# Link Retail Customers with 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 to an already generated sales bill in Logic ERP**.

***

### Generate a Retail Bill Without Customer Details

* Open the **Sales Bill** module.
* Scan the product and proceed with billing **without selecting or entering any retail customer details**.

<figure><img src="/files/LCtES4whsOsdQMg6lGAo" alt=""><figcaption></figcaption></figure>

* Enter the payment information.
* Save the bill.

The sales bill is now generated without any retail customer linked to it.

***

### Link a Retail Customer with an Existing Bill

You can link a retail customer either by modifying the bill or by using a faster and more efficient method.

#### Recommended Method: Link Retail Customer with Bills Module

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

<figure><img src="/files/b3E1FMZwvo7YnEZGtyXh" alt=""><figcaption></figcaption></figure>

* Select the bill again and click on **Link Retail Customer**.

<figure><img src="/files/g1h4gUOGDEBdInp2GTzh" alt=""><figcaption></figcaption></figure>

* Choose the required retail customer from the list.
* Click **OK**.

<figure><img src="/files/THkBTApuemAGY94PdXoy" alt=""><figcaption></figcaption></figure>

* Click **Yes** on the confirmation message to update the retail customer.

<figure><img src="/files/A5VG5CJdBcsOvmH1nKhb" alt=""><figcaption></figcaption></figure>

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

***

### Verify the Updated Sale Bill

* Open the **Sales Bill** module.
* Search and open the updated bill.

<figure><img src="/files/lcJpqE5Q2xkHRbrB4kVr" alt=""><figcaption></figcaption></figure>

As observed, the **retail customer details are now correctly reflected** in the sales bill, confirming that the linking process has been completed successfully.

***

### Conclusion

This feature allows you to:

* Generate quick retail bills without customer details
* Link customers later for accurate reporting and tracking
* Maintain clean customer-wise sales records in Logic ERP


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