[4] The Zaire Use is largely a product of the Second Vatican Council's constitution Sacrosanctum Concilium, particularly the move "for legitimate variations and adaptations to different groups, regions, and peoples, especially in mission lands, provided that the substantial unity of the Roman rite is preserved.
[5] Following the 1970 authorization from the Congregation for the Divine Worship and the 1973 draft presentation of a new Order of the Mass from the Commission on Evangelization, the Episcopal Conference in Zaire approved its use experimentally.
[6] It was officially promulgated by the decree Zairensium Dioecesium on April 30, 1988, by the Congregation for Divine Worship and the Discipline of the Sacraments, the Missel romain pour les diocèses du Zaïre (Roman Missal for the Dioceses of Zaire).
[9] On 1 December 2019, Pope Francis celebrated Mass for the first Sunday of Advent in Saint Peter's Basilica using this rite to mark the 25th anniversary of the establishment of the first chaplaincy for the Congolese Catholic community in Rome.
[4] The Sign of Peace immediately follows the Penitential Act, predicated on the Gospels calling for the need for reconciliation with one's neighbor before offering one's gift at the altar (i.e., the Liturgy of the Eucharist).
[3] Additionally, the congregation is explicitly welcomed to raise their hands for the Lord's Prayer, a practice variously allowed[16] or prohibited[17] by episcopal conferences utilizing the Ordinary Form.