The IVV PAR agency is offering a federal grant opportunity titled "Phase3 Opted In Test," aimed at individuals interested in participating in a test scenario related to business and commerce. This grant does not require cost sharing or matching and has an award ceiling of $5 million and an award floor of $4 million, making it a significant funding opportunity for eligible applicants. The grant is categorized as mandatory and is crucial for supporting innovative projects within the specified field. Interested applicants should note that the application deadline is September 30, 2030, and can reach out to the grantor at ivvtestemail+25@gmail.com for further inquiries.