Urban planning has been decentralized in Cameroon since 2004. This law and the implementing decrees that accompany it are the legal foundations. Law n ° 2004/003 of April 21, 2004, according to the former Minister of Urban Development and Housing, Mr. Clobert TCHATAT "... thus fills a legal gap that for more than thirty years, allowed the actors urban dwellers and citizens to act in a certain way ".