The outline plan of agricultural advisory work shall cover:
(a) the establishment of arrangements for the training of agricultural advisers by an inter-regional agricultural advisory body, hereinafter called "the interregional body", comprising inter-regional training centres, hereinafter called "centres" ...
The Centres shall have a permanent teaching staff qualified in the fields referred to in Article 7 (1). Where necessary, staff from universities, research stations and other institutions may be called upon temporarily to teach special subjects.
