; (5) in subsection (d)(2)— (A) by striking the date of enactment of the Commercial Space Launch Amendments Act of 2004, and inserting December 23, 2004, ; and (B) by striking that Act and inserting the Commercial Space Launch Amendments Act of 2004 ; and (6) in subsection (d)(3), by striking the date of enactment of the Commercial Space Launch Amendments Act of 2004 and inserting December 23, 2004, . (s) Revision of Chapter 515 (1) Table of contents Chapter 515 of title 51, United States Code, is amended by inserting after the chapter heading the following: Sec. 51501. Establishment of Office of Spaceports. . (2) Revision of section 51501 Section 51501 of title 51, United States Code, is amended— (A) by redesignating subsections (a), (b), (c), (d), and (e) as subsections (b), (c), (d), (e), and (a), respectively, and transferring subsection (a), as redesignated, to appear at the beginning of the section; (B) in the heading for subsection (a), as redesignated, by striking Definition and inserting Definition of Spaceport ; (C) in subsection (a), as redesignated, by inserting a comma after In this section ; (D) in subsection (b), as redesignated, by striking the date of enactment of this section, and inserting October 5, 2018, ; and (E) in subsection (d), as redesignated— (i) by striking functions assigned in subsection (b), and inserting functions assigned in subsection (c),