Racquetball Revival, Inc. is a Maryland nonprofit corporation operating through a fiscal sponsorship with Players Philanthropy Fund , a Maryland charitable trust recognized by IRS as a tax - exempt public charity under Section 501(c)(3) of the Internal Revenue Code (Federal Tax ID: 27-6601178). www.ppf.org/pp Contributions to Racquetball Revival, Inc. are tax-deductible to the fullest extent of the law.