--- title: Select the Type of ID Available in Your Checkout Form description: With BuilderDuck, you can allow different types of identification numbers to verify your customers’ identities. Learn how to add this option to your checkout form. --- [Skip to content](https://help.rentlysoft.com/en/select-the-type-of-id-available-in-your-checkout-form#main-content) - [English](https://help.rentlysoft.com/en/select-the-type-of-id-available-in-your-checkout-form) - [Español](https://help.rentlysoft.com/selecciona-el-tipo-de-id-disponibles-en-tu-formulario-de-checkout) - [Português - Brasil](https://help.rentlysoft.com/pt-br/selecciona-el-tipo-de-id-disponibles-en-tu-formulario-de-checkout) English Show submenu for translations ![rently .jpg\]](https://help.rentlysoft.com/hs-fs/hubfs/rently%20.jpg?height=40&name=rently%20.jpg) Open main navigation Close main navigation - - [English](https://help.rentlysoft.com/en/select-the-type-of-id-available-in-your-checkout-form) - [Español](https://help.rentlysoft.com/selecciona-el-tipo-de-id-disponibles-en-tu-formulario-de-checkout) - [Português - Brasil](https://help.rentlysoft.com/pt-br/selecciona-el-tipo-de-id-disponibles-en-tu-formulario-de-checkout) English Show submenu for translations - Go to rentlysoft.com Go to rentlysoft.com All the solutions in one click! - There are no suggestions because the search field is empty. 1. [Rently Help Desk](https://help.rentlysoft.com/en?hsLang=en) 2. [BuilderDuck](https://help.rentlysoft.com/en/builderduck?hsLang=en) 3. [Customize your page](https://help.rentlysoft.com/en/builderduck?hsLang=en#customize-your-page) # Select the Type of ID Available in Your Checkout Form ## With BuilderDuck, you can allow different types of identification numbers to verify your customers’ identities. Learn how to add this option to your checkout form. To customize your checkout form, go to **Pages** and select **Forms**. Then, choose the **checkout form** and click the **edit icon**. ![](https://help.rentlysoft.com/hs-fs/hubfs/imagen-png-Oct-27-2025-07-48-49-6786-PM-webp-1.webp?width=688&height=313&name=imagen-png-Oct-27-2025-07-48-49-6786-PM-webp-1.webp) Find the **ID field** and click the **edit icon**. ![](https://help.rentlysoft.com/hs-fs/hubfs/imagen-png-Oct-27-2025-07-50-11-7892-PM-webp.webp?width=688&height=313&name=imagen-png-Oct-27-2025-07-50-11-7892-PM-webp.webp) In the sidebar, you’ll find the **Settings** section. From the dropdown menu, select the type of ID you want to enable. ![](https://help.rentlysoft.com/hs-fs/hubfs/imagen-png-Oct-27-2025-07-53-37-7146-PM-webp.webp?width=1032&height=483&name=imagen-png-Oct-27-2025-07-53-37-7146-PM-webp.webp)Below, turn on the switch if you want to allow letters in addition to numbers. ![](https://help.rentlysoft.com/hs-fs/hubfs/imagen-png-Oct-27-2025-07-56-41-7626-PM-webp.webp?width=1032&height=481&name=imagen-png-Oct-27-2025-07-56-41-7626-PM-webp.webp) Turn on the top switch if you want to make the field required. ![](https://help.rentlysoft.com/hs-fs/hubfs/imagen-png-Oct-27-2025-07-58-31-9864-PM-webp.webp?width=1920&height=898&name=imagen-png-Oct-27-2025-07-58-31-9864-PM-webp.webp) *You can select more than one type of document from the dropdown menu.* Finally, close the sidebar and click **Update** to publish your changes. - [RentlySoft](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#main-content) - [SYSTEM CONFIGURATION](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#system-configuration) - [USERS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#users) - [ROLES](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#roles) - [GENERAL CONFIGURATION](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#general-configuration) - [BRANCH OFFICES](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#branch-offices) - [CARS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#cars) - [BOOKINGS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#bookings) - [CASH REGISTER](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#cash-register) - [ADDITIONALS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#additionals) - [RATES](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#rates) - [TEMPLATES](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#templates) - [CUSTOMERS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#customers) - [MAINTENANCE SERVICES](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#maintenance-services) - [REPORTS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#reports) - [TAXES](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#taxes) - [FINES](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#fines) - [USE OF THE SOFTWARE](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#use-of-the-software) - [PAYMENTS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#payments) - [OVERSOLD](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#oversold) - [AUTOMATIC NOTIFICATIONS](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#automatic-notifications) - [INCIDENT MANAGEMENT](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#incident-management) - [SECURITY](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#security) - [AXLE](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#axle) - [Agency Settlement](https://help.rentlysoft.com/en/rentlysoft?hsLang=en#agency-settlement) - [BuilderDuck](https://help.rentlysoft.com/en/builderduck?hsLang=en#main-content) - [First steps](https://help.rentlysoft.com/en/builderduck?hsLang=en#first-steps) - [Set up your company branding](https://help.rentlysoft.com/en/builderduck?hsLang=en#set-up-your-company-branding) - [Customize your page](https://help.rentlysoft.com/en/builderduck?hsLang=en#customize-your-page) - [SEO](https://help.rentlysoft.com/en/builderduck?hsLang=en#seo) - [Booking and Checkout Pages Configuration](https://help.rentlysoft.com/en/builderduck?hsLang=en#booking-and-checkout-pages-configuration) - [Blog](https://help.rentlysoft.com/en/builderduck?hsLang=en#blog) - [Advanced settings](https://help.rentlysoft.com/en/builderduck?hsLang=en#advanced-settings) - [File Manager](https://help.rentlysoft.com/en/builderduck?hsLang=en#file-manager) - [App In & Out](https://help.rentlysoft.com/en/app-in-out?hsLang=en#main-content) - [Configuration](https://help.rentlysoft.com/en/app-in-out?hsLang=en#configuration) - [Integrations - Brokers](https://help.rentlysoft.com/en/integrations-brokers?hsLang=en) - [Web Site](https://help.rentlysoft.com/en/web-site?hsLang=en#main-content) - [PAYMENT SYSTEMS](https://help.rentlysoft.com/en/web-site?hsLang=en#payment-systems) - [promocion](https://help.rentlysoft.com/en/web-site?hsLang=en#promocion) - [Genius](https://help.rentlysoft.com/en/genius?hsLang=en) [![Rently](https://help.rentlysoft.com/hubfs/rently%20logo.svg "Rently")](http://www.rentlysoft.com) Help desk rentlysoft.com Copyright © 2026, Rently Software LLC