Since its founding in 1927, the Permanent Assembly of Chambers of Agriculture (Assemblée permanente des chambres d’agriculture, APCA) changed several times its role and social profile. Its history begins while the farmers unions are almost celebrating their fiftieth anniversary. The APCA then starts a long quest to set itself as an intermediary between the agricultural professional organizations and State structures. Although this institution is exclusively a consultative one in the 1930’s, it progressively tends to become a protagonist of the agricultural development policy in the 1960’s-1970’s, offering technical and administrative support to the local chambers of agriculture, and developing a public advisory capacity as well as its own p...