Canon 657

1. The approval of liturgical texts, after prior review of the

Apostolic See, is reserved in patriarchal Churches to the patriarch with the consent of the synod of bishops of the patriarchal

Church, in metropolitan Churches sui iuris to the metropolitan

with the consent of the council of hierarchs; in other Churches

this right rests exclusively with the Apostolic See, and, within

the limits set by it, to bishops and to their legitimately constituted assemblies. 2. The same authorities are also competent to approve the translations of these books meant for liturgical use, after sending a report to the Apostolic See in the

case of patriarchal Churches and metropolitan Churches sui iuris.

3. To republish liturgical books or their translations intended

even in part for liturgical use, it is required and suffices to

establish their correspondence with the approved edition by an

attestation of the hierarch referred to in can. 662, 1. 4. In

making changes in liturgical texts, attention is to be paid to

can. 40, 1.