1.The sending State must make certain that the agrément of the receiving State has been given for the person it proposes to accredit as head of the mission to that State.
2.The receiving State is not obliged to give reasons to the sending State for a refusal of agrément.
Official text
Transcription: Machine-parsed
In force from 18-04-1961
Source page 3
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 4 of the Vienna Convention of 18 April 1961 on Diplomatic Relations/akn/un/act/treaty/1961-04-18/vienna-convention-diplomatic-relations-1961