
Translation of the Latin Original(Above)"By virtue of the Plenitude of the powers of the Holy Apostolic See, we appoint as our Legate Pierre Martin Ngo Dinh Thuc, titular bishop of Saigon, whom we invest with all the necessary powers, for purposes known to us."
Given at Rome at Saint Peter's, on 15 March 1938, the seventeenth year of our pontificate. Pope Pius XI,
Explanation of these powers
What does this docuмent mean ? Let us examine a parallel case in which Pius XI conceded identical powers to another prelate. On 10 March 1920, the same pope Pius XI dictated the same motu proprio for Mgr d'Herbigny (S.J.). The account is recorded in the book of Father Paul Lesourd, published by Lethielleux Editions under the title "Le Jesuite clandestine"
Here is the translation
Motu Proprio By virtue of the plenitude of the Apostolic power, we appoint as our Delegate Michel d'Herbigngy (S.J.), titular bishop of Troie, whom we invest with all the appropriate and necessary powers, for purposes known to us.
Given at Rome at Saint Peter's, on 10 March 1926, the fifth year of our pontificate. Pius XI, Pope
The two cases are analogous. With this Act of the Holy See, the two bishops received pontifical powers, similar to those of Patriarchs. The details of these powers are explained by Pius XI himself, as reported by Father Lesourd in the following terms:
"Orally, the Holy Father first enumerated in detail all the powers which he conferred, including the selection of priests to be ordained and to confer on them the episcopate without the need for them to have pontifical bulls, nor therefore to give their signatures inviting them to act accordingly on the strength of the oath."
"Then, after having at length set out in detail by word of mouth all the powers which were really extraordinary, the Pope resumed them most solemnly as follows"
"In one word, we grant to you all the pontifical powers of the Pope himself, which are not incommunicable by divine right."(translation from the French)