3. This exchange among the Churches, the fruit of universal communion, must preserve a strong missionary thrust to counteract the prevalent trend of a certain number of diocesan priests who, incardinated in their particular Churches in mission territories, want to leave their own country and reside in Europe or North America, often with the intention of further studies or for other reasons that are not actually missionary.

Often their motives are based on the higher living conditions which these countries offer and the need for young priests in some of the established Churches. These priests are then convinced by such reasoning not to return to their own country, sometimes with the tacit permission of their own Bishop, or at other times in opposition to his request that they return home. A certain permanency is then given to such irregular situations by virtue of the vast distances and poor communication.