A nongovernmental, nonprofit organization with funds (usually from a single source, such as an individual, family or corporation) and program managed by its own trustees or directors, established to maintain or aid social, educational, religious or other charitable activities serving the common welfare, primarily through grantmaking. U.S. private foundations are tax-exempt under Section 501(c)(3) of the Internal Revenue Code and are classified by the IRS as a private foundation as defined in the code.
