The main purpose of the Rural Innovation and Small Business Support Act is to improve access to federal funding programs for small businesses located in rural areas. Specifically, it focuses on enhancing outreach efforts by federal agencies that run the Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) programs. The goal is to ensure that rural small businesses are informed about and can participate in these funding opportunities. Key provisions of the Act require federal agencies that manage the SBIR and STTR programs to modify their outreach policies.