EXTENSION OF TRUST FUND EXPENDITURE AUTHORITY.

SEC. 401. EXTENSION OF TRUST FUND EXPENDITURE AUTHORITY.(a) Highway Trust Fund.—Section 9503 of the Internal Revenue Code of 1986 is amended—(1) by striking “April 1, 2012” in subsections (b)(6)(B), (c)(1), and (e)(3) and inserting “July 1, 2012”; and(2) by striking “Surface Transportation Extension Act of 2011, Part II” in subsections (c)(1) and (e)(3) and inserting “Surface Transportation Extension Act of 2012”.(b) Sport Fish Restoration and Boating Trust Fund.—Section 9504 of such Code is amended—(1) by striking “Surface Transportation Extension Act of 2011, Part II” each place it appears in subsection (b)(2) and inserting “Surface Transportation Extension Act of 2012”; and(2) by striking “April 1, 2012” in subsection (d)(2) and inserting “July 1, 2012”.(c) Leaking Underground Storage Tank Trust Fund.—Paragraph (2) of section 9508(e) of such Code is amended by striking “April 1, 2012” and inserting “July 1, 2012”.(d) Effective Date.—The amendments made by this section shall take effect on April 1, 2012.