Find IRS Form 990s (ERI)Data are retrieved from ERI Economic Research Institute's Library of nearly 7 million Form 990, 990PF, and 990EZ reports. Information, including reported compensation data, from these IRS returns is processed at the rate of 60,000 returns per month. This massive extraction effort began with 2003 returns and continues today, constantly feeding the database used in ERI's Nonprofit Salary Survey Assessor software.