Communicatio in sacris - V - The same permission many times

These posts help to establish that

Communicatio in sacris
among heretics and schismatics
is something that has been permitted in the past
by the authority of the Popes.

It should be noted that
the only reasons for permitting it were
either
to help souls to come into the Church
or
to protect them in times of persecution.

Pope Innocent IV giving documents to
Dominican and Franciscan Missionaries.

In 1244
Pope Innocent IV
permitted the Dominican missionaries
among the (Non-Catholic) Jacobites and Nestorians
to share with them
“in verbis, officio et cibo”
(literally in words, offices and food;
better english: in speech, in offices, in meals).

In 1245 he gave the same permission to Franciscan Missionaries.
From the context it is obvious that the words
“in officio” is are equivalent to “in sacris”
(in sacred things).

The following Popes,
Nicholas IV (1288),
John XXII (1316-34), and
Benedict XII (1334-42)
gave the missionaries
the same permission many times
as can be verified in the books of the
Sources of the Codification of Oriental Canon Law
published by the Vatican in 1943.

[Reference: Codificazione Canonica Orientale, Fonti, Serie III, Vol. IV, 1, p. 11, nn. 25- 27; p. 37, n. 72; Vol. V, 2, p. 142, n. 300; VII, 1, p. 26, n. 69; VII, 2, p. 22, n. 27, p. 95, n. 155, p. 151, n. 252, p. 173, n. 289; VIII, p. 62, n. 154; etc].