Get Answers Support Getting Started General Do we support the RRF-1 Annual Registration form? Currently, we do not support the RRF-1 Annual Registration form in Tax990. Was this helpful? Yes No Related Questions What are the additional forms that Tax990 supports for Form 990-T? Which sections can I upload in bulk when filing Form 990 with Tax990? Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (704) 839-2321 [email protected]