How do I change my password when filing IRP or IFTA? Click here, enter your user ID and click on "forgot password." You will receive an e-mail from MoVRS with a temporary password. September 01, 2015 20:56 Related articles I forgot my password for filing business tax online. What do I do? What is the web address to file IRP and IFTA online? What if I forget my TNTAP password? I have questions about IFTA and filing my return. Who should I contact? Can I file my IFTA return online?