## Documentation Index Access the complete documentation index at: https://www.zoho.com/uk/books/help/llms.txt Use this file to discover all available documentation pages before proceeding. # Sales Order Preferences There are a host of preferences that you can configure for the Sales Order module in Zoho Books. To configure preferences for the Sales Orders module: * Go to **Settings** on the top right corner of the page. * Select **Sales Orders** under _Sales_. ## Update Fields of Sales Order in Invoices When converting your sales order into an invoice, you can retain the following fields from your sales order in your invoice: * Address of your organization * Customer Notes * Terms & Conditions * * * ## Terms & Conditions Enter the Terms and Conditions of your business to be displayed in your sales order. * * * ## Notes Enter any notes of your business that you want to display in your sales order. After configuring the desired preferences, click **Save** at the bottom of the page. * * * ## Approvals You can set up approval workflows for sales orders. You can choose from **Simple** and **Multi-Level** approval types based on your business requirements. Learn more about [Approvals](/uk/books/help/transaction-approval/configure-approvals.html). * * * ## Fields You can create new fields for the Sales Orders module and assign different data types for each of them. Learn more about [Fields](/uk/books/help/settings/customization/custom-fields.html). * * * ## Validation Rules You can create rules to set restrictions on the data being recorded. Learn more about [Validation Rules](/uk/books/help/settings/customization/validation-rules.html). * * * ## Record Locking You can lock sales order records to prevent unauthorized changes after they reach a specific status. Learn more about [Record Locking](/uk/books/help/settings/customization/record-locking.html). * * * ## Statuses You can create new statuses for the Sales Orders module to track the progress of your sales orders. Learn more about [Statuses](/uk/books/help/sales-order/other-actions.html#statuses). * * * ## Buttons You can create new buttons in the Sales Orders module that either execute actions using deluge scripts or open external URLs when clicked. Learn more about [Buttons](/uk/books/help/settings/customization/custom-buttons.html). * * * ## Related Lists You can view data from both the app and third-party services with _Related Lists_, making it easy to cross-reference information from different sources. Learn more about [Related Lists](/uk/books/help/settings/customization/related-lists.html).