The Quality 990 website is devoted to improving IRS form 990 reporting and their resource page has a range of articles on using and improving the 990 including: FAQs, transparency, the PR opportunity, guidelines for quality reporting.
Compass Point's Nonprofit Genie provides answers to frequently asked questions about Federal Form 990.
Section for charities and other tax exempt organizations.
A comprehensive guide to IRS Form 1023, the Application for Exempt Status Under Section 501(c)(3) of the Internal Revenue Code.
This site includes the full text of section 501 of the U.S. Internal Revenue Code, which deals with tax exemption for charities and other organizations. The tax code can be searched, and the site provides hypertext links to references to other parts of the tax code. (Site listing comes from the
Chronicle of Philanthropy Tax and Legal Resources List).
Chronicle of Philanthropy provides a good list of Internet-Based Legal and Tax Resources.