Starfleet Diplomatic Corps
The Starfleet Diplomatic Corps was a department within Starfleet. 

The movement of personnel in and out of this corps was governed by the Starfleet Transfer Regulations. (, okudagram)

In the 2260s of the alternate reality, information on this corps was located in the Federation database. ()

See also 
 United Earth Diplomatic Corps
 Federation Diplomatic Corps

External link
 
Diplomatic Corps