The exequatur
1.The head of a consular post is admitted to the exercise of his functions by an authorization from the receiving State termed an exequatur, whatever the form of this authorization.
2.A State which refused to grant an exequatur is not obliged to give to the sending State reasons for such refusal.
3.Subject to the provisions of articles 13 and 15, the head of a consular post shall not enter upon his duties until he has received an exequatur.
Official text
Transcription: Machine-parsed
In force from 24-04-1963
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.