These settings are published with the approval of the Committee on Divine Worship, United States Conference of Catholic Bishops (original letter below), and of Paul J. Swain, Bishop of Sioux Falls (letter below).
Permission for free distribution of these antiphons has been obtained in writing from the USCCB Office of Divine Worship and ICEL (Roman Missal texts), USCCB copyright permissions office (NAB/NABRE), and GIA Publications (Revised Grail Psalms). The internet distribution agreement for the Revised Grail Psalms is reproduced below.