of maritime industries, including port and water stakeholders, academia, and labor representatives. (H) The Secretary of Transportation may appoint additional representatives from other Federal agencies as the Secretary considers appropriate. (4) Administration For purposes of section 15109, the Committee shall be treated as a committee established under chapter 151, except that in applying such section to the Committee any reference in such section to the Secretary shall be deemed to be a reference to the Secretary of Transportation. . (b) Treatment of existing committee Notwithstanding any other provision of law— (1) an advisory committee that is substantially similar to the National Maritime Transportation System Advisory Committee established by section 55502 of title 46, United States Code, as added by subsection (a), and that was in force or in effect on the day before the date of the enactment of such section, including the charter, membership, and other aspects of such substantially similar advisory committee, may remain in force or in effect for the 2-year period beginning on the date of enactment of such section