Sec. 170. "Special group" means a class or group of persons that the bureau finds:
(1) have made significant contributions to the United States, Indiana, or the group's community or are descendants of native or pioneer residents of Indiana;
(2) are organized as a nonprofit organization (as defined under Section 501(c) of the Internal Revenue Code);
(3) are organized for nonrecreational purposes; and
(4) are organized as a separate, unique organization or as a coalition of separate, unique organizations.