With regard to any ivory producing country for which the Secretary has insufficient information to make a determination pursuant to section
4221
(b) of this title, the Secretary shall establish a moratorium on the importation of raw and worked ivory from such country not later than January 1, 1990, unless, based on new information, the Secretary concludes before that date that the country meets all of the criteria set forth in section
4221
(b)(1) of this title.