An assembly of all delegates of member associations of each JAAI Zone is held once every three years and at least six months prior to the National Congress.The Provinces of the Zone take turns by rotation to organize the Congress.

The venue of the Congress is decided by the respective Provinces holding the Congress. The Zonal congress is held under the guidance of the Zonal Council

The Zonal Congress is attended by accredited delegates and ordinary Delegates. The Zonal Congress deliberates on the matters of the Zonal council. Only accredited delegates other than current Zonal Council members can participate and vote on such deliberations. Each member association is entitled to send one accredited delegate apart from an individual who is already a member of the Zonal Council. The name of such accredited delegate should be recommended by the member associations and forwarded to the Zonal Council in consultation with the head of the institution. It must reach the Zonal Council at least 1 month prior to the Zonal Congress.