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22 U.S. Code § 3947 - Entry levels for Foreign Service officer candidates

A career candidate for appointment as a Foreign Service officer may not be initially assigned under section 3964 of this title to a salary class higher than class 4 in the Foreign Service Schedule unless—
(1)
the Secretary determines in an individual case that assignment to a higher salary class is warranted because of the qualifications (including foreign language competence) and experience of the candidate and the needs of the Service; or
(2)
at the time such initial assignment is made, the candidate is serving under a career appointment in the Service and is receiving a salary at a rate equal to or higher than the minimum rate payable for class 4 in the Foreign Service Schedule.