; (E) by striking the item relating to the heading for the fifth subchapter and inserting the following: Subchapter V—Regattas and Marine Parades ; and (F) by striking the item relating to the heading for the sixth subchapter and inserting the following: Subchapter VI—Regulation of Vessels in Territorial Waters of the United States . (4) Section 70031 of title 46, United States Code, is amended by striking A through C and inserting I through III . (5) Section 70032 of title 46, United States Code, is amended by striking A through C and inserting I through III . (6) Section 70033 of title 46, United States Code, is amended by striking A through C and inserting I through III . (7) Section 70034 of title 46, United States Code, is amended by striking A through C each place it appears and inserting I through III . (8) Section 70035(a) of title 46, United States Code, is amended by striking A through C and inserting I through III . (9) Section 70036 of title 46, United States Code, is amended by— (A) striking A through C each place it appears and inserting I through III ; and (B) striking A, B, or C each place it appears and inserting I, II, or III . (b) Alteration of bridges; technical changes The Act of June 21, 1940 ( 33 U.S.C. 511 et seq.), popularly known as the Truman-Hobbs Act, is amended by striking section 12 ( 33 U.S.C. 522 ). (c) Report of determination; technical correction Section 105(f)(2) of the Pribilof Islands Transition Act ( 16 U.S.C. 1161 note