Form more information, the Required Disclosures course is available under StayExempt's Existing Organizations tab.
Yes. In fact, you have to show your three most recent returns to anyone who asks. You also have to provide a copy of the return if the person asks for one, but you can charge a reasonable amount for making the copy. Or, if your return is “widely available,” which these days means it’s posted on the Internet, you can refer the requester to the Internet address without providing a copy. However, you still have to have a copy of the return available for the requester to see.
You do not have to show anyone information about your contributors, even if asked.
If your organization does not comply with the public inspection requirements, it—and the individuals responsible for the failure to comply—could be penalized. The penalties will continue to accrue until the public inspection requirement is satisfied.