; (ii) available appliances, technologies, materials, and construction practices; and (iii) the economic considerations under subsection (b)(4). (B) Incorporation of changes (i) In general On receipt of the proposed changes, the model building energy code or standard developer shall have an additional 270 days to accept or reject the proposed changes of the Secretary to the model building energy code or standard for the Secretary to make a final determination. (ii) Final determination A final determination under paragraph (1) shall be on the modified model building energy code or standard. (e) Administration In carrying out this section, the Secretary shall— (1) publish notice of targets and supporting analysis and determinations under this section in the Federal Register to provide an explanation of and the basis for such actions, including any supporting modeling, data, assumptions, protocols, and cost-benefit analysis, including return on investment; and (2) provide an opportunity for public comment on targets and supporting analysis and determinations under this section. (f) Voluntary codes and standards Notwithstanding any other provision of this section, any model building code or standard established under section 304 shall not be binding on a State, local government, or Indian tribe as a matter of Federal law. . B Worker training and capacity building 111. Building training and assessment centers (a) In general The Secretary shall provide grants to institutions of higher education (as defined in section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 )) and Tribal Colleges or Universities (as defined in section 316(b) of that Act ( 20 U.S.C. 1059c(b) )) to establish building training and assessment centers— (1) to identify opportunities for optimizing energy efficiency and environmental performance in buildings; (2) to promote the application of emerging concepts and technologies in commercial and institutional buildings