Will TNTAP replace the old system for IRP for doing things such as transfers, renewal and supplements? Yes, this system will replace the old system for IRP, IFTA and INTRASTATE. All functions will be available on TNTAP. July 12, 2018 21:16 Related articles How do I renew my IRP account? Will third-party services have a separate account for each client, or will we have an account similar to what we have set up now? What can I do on TNTAP? What credentials are required under UCR? What information do I need to create a TNTAP login or gain access to an account in TNTAP?