In 1994, work began on a revision of the Old Testament. In September 2008, the Ad Hoc Committee accepted the final book of the Old Testament, namely,
Jeremiah. In November of that year, the
United States Conference of Catholic Bishops approved the complete Old Testament, including footnotes and introductions, but they would not permit it to be published with the
Book of Psalms of 1991, for which permission for liturgical use had been withdrawn in 1994—the 1998 edition of the lectionary for the U.S. used the
Grail Psalms instead, which the
Holy See approved and which replaced the original NAB Psalter for lectionaries for Mass in the United States. The Psalms were again revised in 2008 and sent to the Bishops Committee on Divine Worship but also rejected in favor of the revised Grail Psalter. A final revision of the NAB Psalter was undertaken using suggestions that the Ad Hoc Committee vetted and to more strictly conform to
Liturgiam Authenticam. == Future editions of the NAB ==