((a)) ** In the United States** For purposes of this chapter—

((1)) the importing authority shall be the United States Bureau of Customs and Border Protection or, in the case of a territory or possession of the United States with its own customs administration, analogous officials; and

((2)) the exporting authority shall be the Bureau of the Census.

((b)) ** Of other countries** The President shall publish in the Federal Register a list of all Participants, and all exporting authorities and importing authorities of Participants. The President shall update the list as necessary.