; (ii) make the records described in clause (i) available for review and audit by the Secretary; and (iii) periodically report to the Secretary such information as the Secretary considers necessary to assess progress. (B) Labor The Federal wage rate requirements of subchapter IV of chapter 31 of title 40 shall apply, in the same manner as such requirements apply to contracts subject to such subchapter, to— (i) each project for which a grant is provided under this subsection; and (ii) all portions of a project described in clause (i), regardless of whether such a portion is funded using— (I) other Federal funds; or (II) non-Federal funds. (11) Limitation on statutory construction Nothing in this subsection shall be construed to affect existing authorities to conduct port infrastructure programs in— (A) Hawaii, as authorized by section 9008 of the SAFETEA–LU Act ( Public Law 109–59 ; 119 Stat. 1926); (B) Alaska, as authorized by section 10205 of the SAFETEA–LU Act ( Public Law 109–59 ; 119 Stat. 1934); or (C) Guam, as authorized by section 3512 of the Duncan Hunter National Defense Authorization Act for Fiscal Year 2009 ( 48 U.S.C. 1421r ). (12) Administration (A) Administrative and oversight costs The Secretary may retain not more than 2 percent of the amounts appropriated for each fiscal year under this subsection for the administrative and oversight costs incurred by the Secretary to carry out this subsection. (B) Availability (i) In general Amounts appropriated for carrying out this subsection shall remain available until expended. (ii) Unexpended funds Amounts awarded as a grant under this subsection that are not expended by the grantee during the 5-year period following the date of the award shall remain available to the Secretary for use for grants under this subsection in a subsequent fiscal year. (13) Definitions In this subsection: (A) Appropriate committees of Congress The term appropriate committees of Congress means— (i) the Committee on Commerce, Science, and Transportation of the Senate