an advisory committee substantially similar to the Committee established by
section 50402 of title 46, United States Code, and that was in force or in effect on the day before the date of the enactment of this Act [
Jan. 1, 2021], including the charter, membership, and other aspects of such advisory committee, may remain in force or in effect for the 2-year period beginning on the date of the enactment of this section; and