Section 1 Fish held in captivity or controlled environment
“(3) Fish held in captivity or controlled environment
“(A) Exception—The provisions of subsection (a)(1) and section 7(a)(2) do not apply to—
“(i) a fish legally held in captivity or in a controlled environment in a manner that maintains physical separation of such fish from any wild population of the same species on the date of the enactment of this paragraph; or
“(ii) progeny of a fish described in clause (i) legally held in the manner described in clause (i),
“(B) Requirement
“(i) In general—A person that holds a fish or progeny described in subparagraph (A) shall be able to demonstrate to the Secretary that such fish or progeny qualifies as a fish or progeny described in subparagraph (A).
“(ii) Fulfillment of requirement—A person that holds a fish or progeny described in subparagraph (A) may fulfill the demonstration requirement described in clause (i) through compliance with the applicable provisions of the Convention.”