; and (C) provide written notification of the approval or disapproval to the person that submitted the project proposal, such other Federal officials, and each country described in subparagraph (A). (d) Criteria for Approval (1) In general The Secretary may approve a project proposal under this section if the project will help recover and sustain viable populations of butterflies in the wild by assisting efforts in North America to implement butterfly conservation programs. (2) Priority In selecting projects for assistance, the Secretary shall give preference to projects that conserve threatened and endangered species protected by the Endangered Species Act ( 16 U.S.C. 1531 et seq.). (3) Project sustainability To the maximum extent practicable, in determining whether to approve project proposals under this section, the Secretary shall give preference to conservation projects that are designed to ensure effective, long-term conservation of butterflies and their habitats. (4) Matching funds In determining whether to approve project proposals under this section, the Secretary shall give preference to projects for which matching funds are available. (5) Waiver The Secretary may waive the application of paragraphs (2), (3), and (4) if the Secretary finds that such waiver is necessary to support a conservation project that the Secretary has identified as of high priority. (e) Project reporting (1) In general Each person that receives assistance under this section for a project shall submit to the Secretary periodic reports (at such intervals as the Secretary may require) that include all information that the Secretary, after consultation with other government officials, determines is necessary to evaluate the progress and success of such project for the purposes of ensuring positive results, assessing problems, and fostering improvements. (2) Availability to the public Reports under paragraph (1), and any other documents relating to projects for which financial assistance is provided under this title, shall be made