; or (ii) by interested individuals or entities, if the Secretary certifies that the completed study meets the requirements of paragraph (3). (B) Certification Not later than 1 year after receiving a study carried out by interested individuals or entities under subparagraph (A)(ii), the Secretary shall review and certify whether the study meets the requirements of paragraph (3). (3) Requirements A study under paragraph (1) shall include analysis, documentation, and determinations on whether the proposed National Heritage Area— (A) has an assemblage of natural, historic, and cultural resources that— (i) represent distinctive aspects of the heritage of the United States; (ii) are worthy of recognition, conservation, interpretation, and continuing use; and (iii) would be best managed— (I) through partnerships among public and private entities; and (II) by linking diverse and sometimes noncontiguous resources and active communities; (B) reflects traditions, customs, beliefs, and folklife that are a valuable part of the story of the United States; (C) provides outstanding opportunities— (i) to conserve natural, historic, cultural, or scenic features; and (ii) for recreation and education; (D) contains resources that— (i) are important to any identified themes of the proposed National Heritage Area; and (ii) retain a degree of integrity capable of supporting interpretation; (E) includes residents, business interests, nonprofit organizations, and State and local governments that— (i) are involved in the planning of the proposed National Heritage Area; (ii) have developed a conceptual financial plan that outlines the roles of all participants in the proposed National Heritage Area, including the Federal Government; and (iii) have demonstrated support for the designation of the proposed National Heritage Area