; and (C) developing appropriate performance measures and establishing annual targets to monitor and assess progress toward those targets, including measures to be used to terminate the provision of assistance determined to be ineffective. (3) Number and deadline for selections (A) In general Not later than 270 days after the date of the enactment of this Act, and annually thereafter, the Secretary, with the concurrence of the United States Trade Representative and the Administrator, shall select countries under paragraph (1) for participation in the pilot program under subsection (a). (B) Number The Secretary shall select for participation in the pilot program under subsection (a)— (i) not fewer than 5 countries during the one-year period beginning on the date of the enactment of this Act; and (ii) not fewer than 15 countries during the 5-year period beginning on such date of enactment. (4) Prioritization based on recommendations from chiefs of mission In selecting countries under paragraph (1) for participation in the pilot program under subsection (a), the Secretary, with the concurrence of the Trade Representative and the Administrator, shall prioritize countries recommended by chiefs of mission that— (A) will be able to substantially benefit from expanded United States trade-related assistance