In general, exempt organizations are required to file annual returns, although there are exceptions. If an organization does not file a required return or files late, the IRS may assess penalties. In addition, if an organization does not file as required for three consecutive years, it automatically loses its tax-exempt status.

The IRS sends back Form 990 series returns filed on paper – and rejects electronically filed returns – when they are materially incomplete or the wrong return. If we send back your organization’s return, follow the instructions in the accompanying letter and on this page.

The most common errors causing the return of a Form 990 series returns are missing or incomplete schedules .

Review these pages for Form 990, 990-EZ, and 990-PF filing tips:

Additional information