Doctrine and Covenants of the Church of Jesus Christ of the Latter-Day Saints, at sacred-texts.com

120. Revelation through Joseph Smith, Far West, Missouri, July 8, 1838.
History of the Church 3:44.

120:1 Verily, thus saith the Lord, the time is now come, that it shall be disposed of by a council, composed of the First Presidency of my Church, and of the bishop and his council, and by my high council; and by mine own voice unto them, saith the Lord. Even so. Amen.