34 CFR 75.51: How to prove nonprofit status.

(a) Under some programs, an applicant must show that it is a nonprofit organization.

(b) An applicant may show that it is a nonprofit organization by any of the following means:

(1) Proof that the Internal Revenue Service currently recognizes the applicant as an organization to which contributions are tax deductible under section 501(c)(3) of the Internal Revenue Code;

(2) A statement from a State taxing body or the State attorney general certifying that:

(i) The organization is a nonprofit organization operating within the State; and

(ii) No part of its net earnings may lawfully benefit any private shareholder or individual;

(3) A certified copy of the applicant's certificate of incorporation or similar document if it clearly establishes the nonprofit status of the applicant; or

(4) Any item described in paragraphs (b)(1) through (3) of this section if that item applies to a State or national parent organization, together with a statement by the State or parent organization that the applicant is a local nonprofit affiliate.