If a bishop participates in a liturgical celebration, the hierarchical character of the Church and the liturgy demands that he preside, since he belongs to a higher sacred order. But if a group of simple priests are celebrating, there is nothing from the liturgical and sacramental point of view to indicate that one rather than another should preside, no matter what their respective dignities or offices in the life of the community.
Dans une communaut� o� l'on conc�l�bre quotidiennement, il peut y avoir en pratique de s�rieux inconv�nients, surtout d'ordre psychologique, � ce que la m�me personne - f�t-ce le sup�rieur - pr�side chaque jour la conc�l�bration.