; and (3) legislative options for increasing energy savings from building energy codes, including additional incentives for effective State and local action, and verification of compliance with and enforcement of a code other than by a State or local government. (i) Effect on other laws Nothing in this section or section 307 supersedes or modifies the application of sections 321 through 346 of the Energy Policy and Conservation Act ( 42 U.S.C. 6291 et seq.). (j) Authorization of appropriations There are authorized to be appropriated to carry out this section and section 307 $200,000,000, to remain available until expended. . (c) Federal building energy efficiency standards Section 305 of the Energy Conservation and Production Act ( 42 U.S.C. 6834 ) is amended by striking voluntary building energy code each place it appears in subsections (a)(2)(B) and (b) and inserting model building energy code . (d) Model building energy codes Section 307 of the Energy Conservation and Production Act ( 42 U.S.C. 6836 ) is amended to read as follows: 307. Support for model building energy codes (a) In general The Secretary shall support the updating of model building energy codes. (b) Targets (1) In general The Secretary shall support the updating of the model building energy codes to enable the achievement of aggregate energy savings targets established under paragraph (2). (2) Targets (A) In general The Secretary shall work with State, Indian tribes, local governments, nationally recognized code and standards developers, and other interested parties to support the updating of model building energy codes by establishing one or more aggregate energy savings targets to achieve the purposes of this section. (B) Separate targets The Secretary may establish separate targets for commercial and residential buildings. (C) Baselines The baseline for updating model building energy codes shall be the 2009 IECC for residential buildings and ASHRAE Standard 90.1–2010 for commercial buildings. (D) Specific years (i) In general Targets for