Form 990
The Alliance has compiled this set of form 990 resources from throughout the nonprofit and museum sector.
Stay Exempt: Tax Basics for 501(c)(3)s
The Internal Revenue Service (IRS) offers “Stay Exempt: Tax Basics for 501(c)(3)s”. The free online workshop includes interactive training modules on Form 990, employment issues, and unrelated business income. It covers tax compliance issues faced by small and mid-sized tax-exempt organizations and provides links to the IRS forms and publications discussed.