shall be based upon the recommendations and rankings of selection boards established under section 4002 of this title, except that the Secretary may by regulation specify categories of career members, categories of career candidates, and other members of the Service assigned to salary classes in the Foreign Service Schedule who may receive promotions on the basis of satisfactory performance.
may continue to serve only under limited extentions of their career appointments. Such limited extensions may not exceed 5 years in duration and may be granted and renewed by the Secretary in accordance with the recommendations of selection boards established under section 4002 of this title. Members of the Service serving under such limited career extensions shall continue to be career members of the Service.
shall be retired from the Service and receive benefits in accordance with section 4009 of this title, subject to any career extension under subsection (d) of this section.
shall receive retirement benefits in accordance with section 4046 of this title or section 4071d of this title, as appropriate.
In the event that a member of the Service has elected to receive retirement benefits under paragraph (2) and dies before reaching age 60 (for participants in the Foreign Service Retirement and Disability System) or age 62 (for participants in the Foreign Service Pension System), his or her death shall be considered a death in service within the meaning of section 4049 of this title.
the member may not be separated from the Service until the member receives a hearing before the Foreign Service Grievance Board and the Board decides that cause for separation has been established, unless the member waives, in writing, the right to such a hearing, or the members appointment has expired, whichever is sooner.