Most tax-exempt organizations, other than churches, must file a yearly return or notice with the IRS. If an organization does not file annually for three consecutive years, it loses its tax-exempt status. More about Exempt Organizations.
UPDATE: The IRS announced a one-time relief program for small organizations that have not filed for three consecutive years. File by October 15, 2010 and preserve your tax-exempt status! Tax Tip
Affordable Care Act Tax Provisions: Information about tax provisions in new law expanding health coverage, including provisions that affect tax-exempt organizations, such as the excise tax on indoor tanning services and small employer health care tax credit. More about the Affordable Care Act Tax Provisions.
Thinking about applying for tax-exempt status? The user fee for applying has changed for 2010. More about the User Fee Program for Tax Exempt organizations.
The IRS has tips, tools, and more to help you file a complete, error-free Form 990 or 990-EZ. More about filing Forms 990 or 990-EZ.