How To Require 50% deposit

Hello

How can I require a 50% dep to the payment section on a form?

The easiest way to do so would be to either set up your products so that the actual cost is 50% less than the displayed cost or to add a coupon code to reduce the total by 50%:

https://www.jotform.com/help/233-How-to-Add-Coupon-Code-to-Payment-Forms