23 This synod favors conferences or councils of major superiors, established by the Holy See. These can contribute very much to achieve the purpose of each institute; to encourage more effective cooperation for the welfare of the Church; to ensure a more just distribution of ministers of the Gospel in a given area; and finally to conduct affairs of interest to all religious. Suitable coordination and cooperation with episcopal conferences should be established with regard to the exercise of the apostolate. Similar conferences should also be established for secular institutes.
Source: Perfectae Caritatis (Vatican.va)