to encourage a comprehensive and environmentally sound approach to certification of green buildings. (iii) Basis for selection The determination of the certification systems under clause (ii) shall be based on ongoing review of the findings of the Federal Director under section 436(h) of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17092(h) ) and the criteria described in clause (v). (iv) Administration In determining certification systems under this subparagraph, the Secretary shall— (I) make a separate determination for all or part of each system