## Zoho Billing - Product, solutions, integrations, support, and resources Index

Access the complete documentation index at:
https://www.zoho.com/in/billing/llms.txt

Use this file to discover all available documentation pages before proceeding.

# Delivery Challan Preferences

Let’s have a look at the various preferences you can configure for the Delivery Challans module in Zoho Billing.

To configure preferences for your delivery challans:

*   Go to **Settings**.
*   Select **Delivery Challans** under _Sales_ in the _Module Settings_ pane.

Under the **General** tab, you can configure the Terms and Conditions and Customer Notes for your delivery challans.

### Terms & Conditions

The terms and conditions that you enter here will be used as default for all your delivery challans. You can also edit it later.

### Customer Notes

The customer notes that you enter here will be used as default for all your delivery challans. You can also edit it later.

## Field Customization

You can add multiple [custom fields](/billing/help/settings/preferences/general.html#field-customization) for the delivery challans module and assign different data types for each of them.

## Custom Buttons & Links

You can create new custom buttons in the delivery challans module to perform specific actions for your transactions or to open external links. You can create them using deluge script and execute actions based on the functions you add.

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