; (2) offer such civil servants the opportunity to serve in a political or economic section at a United States embassy; and (3) include clear and transparent criteria for eligibility and selection, which shall include a minimum of 5 years of service at the Department. (c) Subsequent position and promotion Following a rotation at a United States embassy pursuant to the program established by this section, participants in the program must be afforded, at minimum, a position equivalent in seniority, compensation, and responsibility to the position occupied prior serving in the program. Successful completion of a rotation at a United States embassy shall be considered favorably with regard to applications for promotion in civil service jobs at the Department. (d) Implementation Not later than 2 years after the date of the enactment of this division, the Secretary shall identify not less than 20 positions in United States embassies for the program established under this section and offer at least 20 civil servants the opportunity to serve in a rotation at a United States embassy pursuant to this section. 6209. Reporting requirement on chiefs of mission Not later than 30 days following the end of each calendar quarter, the Secretary shall submit to the appropriate congressional committees— (1) a list of every chief of mission or United States representative overseas with the rank of Ambassador who, during the prior quarter, was granted approval by the Under Secretary of State for Management to be outside a country of assignment for purposes other than official travel or temporary duty orders