VIII. Use of the Vernacular

28. The competent territorial authority observing those matters contained in the Constitution on the Liturgy art. 36, § 3 and § 4 may authorize use of the vernacular in liturgies celebrated with a congregation for:

a. The canon of the Mass;

b. all the rites of holy orders;

c. the reading of the divine office, even in choral recitation.

In the audience granted 13 April 1967 to the undersigned Cardinal Arcadio Maria Larrona, Prefect of the Congregation of Rites, Pope Paul VI approved and confirmed by his authority the present instruction as a whole and in all its parts, ordering its publication and its faithful observance by all concerned, beginning 29 June 1967.