((a)) ** Salary class** Appointment to the Senior Foreign Service shall be to a salary class established under , and not to a position.section 3962 of this title
((b)) ** Limited appointment** An individual may not be given a limited appointment in the Senior Foreign Service if that appointment would cause the number of members of the Senior Foreign Service serving under limited appointments to exceed 5 percent of the total number of members of the Senior Foreign Service, except that (1) members of the Senior Foreign Service assigned to the Peace Corps shall be excluded in the calculation and application of this limitation, and (2) members of the Senior Foreign Service serving under limited appointments with reemployment rights under as career appointees in the Senior Executive Service shall be considered to be career members of the Senior Foreign Service for purposes of this subsection.section 3950 of this title
((c)) ** Appointments by Secretary of Commerce**
((1)) Appointments to the Senior Foreign Service by the Secretary of Commerce shall be excluded in the calculation and application of the limitation in subsection (b).
((2)) Except as provided in paragraph (3), no more than one individual (other than an individual with reemployment rights under as a career appointee in the Senior Executive Service) may serve under a limited appointment in the Senior Foreign Service in the Department of Commerce at any time.
((3)) The Secretary of Commerce may appoint an individual to a limited appointment in the Senior Foreign Service for a specific position abroad if—
((A)) no career member of the Service who has the necessary qualifications is available to serve in the position; and
((B)) the individual appointed has unique qualifications for the specific position.
((d)) ** Recertification process** The Secretary shall by regulation establish a recertification process for members of the Senior Foreign Service that is equivalent to the recertification process for the Senior Executive Service under .section 3393a of title 51