under section 501(c)(3) of Title 26 of the United States Code. It is one of the 29 types of 501(c) nonprofit organizations in the US. 501(c)(3) tax-exemptions...

A 501(c) organization is a nonprofit organization in the federal law of the United States according to Internal Revenue Code (26 U.S.C. § 501(c)) and...

1954, that prohibits all 501(c)(3) non-profit organizations from endorsing or opposing political candidates. Section 501(c)(3) organizations are the most...

The Gift of Chess is a US based 501(c)(3) federally recognized charity based in New York City. The Gift of Chess was founded by Russell Makofsky, Tyrone...

A 501(h) election or Conable election is a procedure in United States tax law that allows a 501(c)(3) non-profit organization to participate in lobbying...

of partisanship. The Brookings Institution is a Washington, D.C. think tank and 501(c)(3) non-profit, nonpartisan organization. Since its founding in 1916...

was elected to the Board of Directors of the Susan Polgar Foundation, a 501(c)3 nonprofit aiming to promote chess, with all its educational, social, and...

The Martin W. Richard Charitable Foundation is a 501(c)(3) tax-exempt charitable foundation established by the parents of Martin Richard (June 9, 2004...

The Wikimedia Foundation, Inc., abbreviated WMF, is an American 501(c)(3) nonprofit organization headquartered in San Francisco, California, and registered...

Alveus Sanctuary is a 501(c)(3) non-profit organization that houses non-releasable exotic animals and provides online conservation education, primarily...