I've attached a voided check from the account I would like to use. Donorbox online donation forms are the perfect tool to drive more donations online.Accept one-time and recurring donations with Donorbox. Customize fields for seamless donor submissions and track contributions easily. 1. Introduce your organization and its representative. If you are looking to register, renew, reinstate, withdraw or amend your charitable organization, review the requirements and the step-by-step guide below.