> 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-installation-configuration-and-troubleshooting-solutions/faqs/purchase/modify-or-delete-a-purchase-voucher.md).
# Modify or Delete a Purchase Voucher
**YouTube:** [How to modify or delete a Purchase Voucher?](https://youtu.be/Am0ASHaKP3U)
## How to Modify or Delete a Purchase Voucher?
In this tutorial, we’ll learn how to **modify or delete an existing purchase voucher** in **Logic ERP**.
***
### Enabling the Modify Option
* By default, the **Modify** button is **disabled**.
* To enable it, press **Alt + Insert** together.
* The **Modify** option will now become active.
***
### Searching for the Voucher
* Click on **Modify**.
* A **Search window** will appear where you can filter vouchers by **date**.
* Select the voucher you want to **modify or delete**.
***
### Modifying a Voucher
* The selected voucher will open in **Modify Mode**.
* Make the necessary **edits or updates**.
* Click **Save** to apply the changes.
***
### Deleting a Voucher
* If you wish to delete the voucher, click on the **Delete** button at the bottom.
* A **confirmation message** will appear.
* Once confirmed, the voucher will be **permanently deleted**.
***
This process allows you to easily **edit or remove purchase vouchers** while maintaining accurate records in Logic ERP.
---
# 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-installation-configuration-and-troubleshooting-solutions/faqs/purchase/modify-or-delete-a-purchase-voucher.md?ask=&goal=
```
`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.