; (ii) 10 Civil Service employees classified at GS-12 or GS-13 of the General Schedule; and (iii) 5 Foreign Service Officers from the United States Agency for International Development. (3) Final selection The Secretary shall select the applicants who will be invited to participate in the Program from the slate received pursuant to paragraph (2)(B) and extend such an invitation to each selected applicant. (4) Merit principles Section 105 of the Foreign Service Act of 1980 ( 22 U.S.C. 3905 ) shall apply to nominations, submissions to the Secretary, and selections for the Program under this section. (c) Program sessions (1) Frequency