A crucial filing deadline of Oct. 15 is looming for many tax-exempt organizations that are required by law to file their Form 990 with the Internal Revenue Service or risk having their federal tax-exempt status revoked.  Nonprofit organizations that are at risk can preserve their status by filing returns by Oct. 15, 2010, under a one-time relief program.

The Pension Protection Act of 2006 mandates that most tax-exempt organizations must file an annual return or submit an electronic notice, with the IRS and it also requires that any tax-exempt organization that fails to file for three consecutive years automatically loses its federal tax-exempt status.

Here are 10 facts to help nonprofit organizations maintain their tax-exempt status. (more…)