For each of the States that will ratify or adhere to the present Charter after its coming into force, the Charter shall take effect three months after the date of the deposit by that State of its instrument of ratification or adherence.
Official text
Transcription: Machine-parsed
In force from 27-06-1981
Source page 17
Lex Cameroon does not hold a French version of this provision. You can read an unofficial machine translation — for understanding only, never to quote.