The mission and its head shall have the right to use the flag and emblem of the sending State on the premises of the mission, including the residence of the head of the mission, and on his means of transport.
Official text
Transcription: Machine-parsed
In force from 18-04-1961
Source page 7
Lex Cameroon does not hold a French version of this provision. You can read an unofficial machine translation — for understanding only, never to quote.
Section 20 of the Vienna Convention of 18 April 1961 on Diplomatic Relations/akn/un/act/treaty/1961-04-18/vienna-convention-diplomatic-relations-1961