Who must file Schedule A, Form 990? An organization that answered "Yes" to Form 990, Part IV, line 1 must complete and attach Schedule A (Form 990 or 990-EZ) PDF to Form 990 PDF. Any section 501(c)(3) organization (or organization treated as such) that files a Form 990-EZ PDF must complete and attach this Schedule to Form 990-EZ, which include: Organizations that are described in section 501(c)(3) and are public charities; Organizations that are described in sections 501(e), 501(f), 501(j), 501(k) or 501(n); and Nonexempt charitable trusts described in section 4947(a)(1) that are not treated as private foundations.
