"According to the Oversight Board's May 2021 fiscal plan for the university, if the school did not take steps to increase revenues and cut expenditures it would face pre-debt service operating deficits growing from $337 million in fiscal 2021 to $455 million in fiscal 2026."
https://www.bondbuyer.com/news/time-may-be-running-out-for-university-of-puerto-rico-bonds