> 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/setups/configurations/purchase-voucher-configurations/other-settings-1/do-not-allow-entry-w-o-tds-if-exists.md).

# Do Not Allow Entry W/O TDS (If exists)

YouTube: [How to Restrict Purchase entry without TDS if TDS is defined for a supplier?](https://www.youtube.com/watch?v=rmezfGQYNRA\&t=30s)

## How to Restrict Purchase entry without TDS if TDS is defined for a supplier?

**Understanding TDS and Purchase Voucher Management in Logic ERP**

In this tutorial, we'll explore a feature that restricts saving purchase vouchers when TDS (Tax Deducted at Source) details are required for a specific party. Follow these steps to configure your system:

### Step-By-Step Guide:

#### Activating the Feature

* Navigate to the "Purchase Voucher Configuration".
* Locate the option "Do Not Allow Entry W/O TDS (If exists)".
*  Tick the checkbox to activate this validation.

<figure><img src="/files/sdSAdSAp3LJx9F4TitfP" alt=""><figcaption><p>Let's keep this feature enabled to observe its impact.</p></figcaption></figure>

### **Demonstration: Creating a New Purchase Bill :**

* Create a "Purchase Bill".
* As soon as you attempt to **save the purchase bill** after entering the item and its details, the software will prompt the message:\
  \&#xNAN;**"TDS Details Found for this Party. Cannot allow entry without TDS."**

<figure><img src="/files/dd4UCYTR6dfN4ACpw7rf" alt=""><figcaption><p>As you can see, the software has generated a prompt.</p></figcaption></figure>

* To apply this, click on the **"TDS Details"** button and Apply.

<figure><img src="/files/Bb0vuHdTFZUX41853AmC" alt=""><figcaption><p>This picture illustrates how you can apply <strong>TDS</strong>.</p></figcaption></figure>

<br>


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## 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, and the optional `goal` query parameter:

```
GET https://kb.logicerp.com/logic-erp-learning-hub-tutorials-and-best-practices/setups/configurations/purchase-voucher-configurations/other-settings-1/do-not-allow-entry-w-o-tds-if-exists.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

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.