61. Through diocesan liturgical commissions, the bishops should give precise directions and supervise how these are applied in practice, in order to put into effect, in the celebration of marriage, what is indicated in article 32 of the Constitution on the Liturgy, so that even externally the equality of the faithful may be evident and, further, that any appearance of pomp be avoided. The active participation of those present is to be favoured in every way. Suitable materials should be provided to help them comprehend and savour the richness of the rite.