> They are registered as a 501(c)(3) which is what people commonly call a public charity.
TIL "public charity" is specific legal term that only some 501(c)(3) qualify as. To do so there are additional restrictions, including around governance and a requirement that a significant amount of funding come from small donors other charities or the government. In exchange a public charity has higher tax deductible giving limits for donors.
Important to note here that most large individual contributions are made through a DAF or donor-advised fund, which counts as a public source in the support test. This helps donors maximize their tax incentives and prevents the charity from tipping into private foundation status.
TIL "public charity" is specific legal term that only some 501(c)(3) qualify as. To do so there are additional restrictions, including around governance and a requirement that a significant amount of funding come from small donors other charities or the government. In exchange a public charity has higher tax deductible giving limits for donors.