A crucifix, large enough to be seen by both celebrant and laity, which must be on the altar whenever Mass is celebrated. If the Crucifixion be the subject of the altar-piece or picture behind the altar, this will suffice for the altar-crucifix.
- “altar crucifix”. . CatholicSaints.Info. 22 August 2010. Web. 29 November 2015. <http://catholicsaints.info/altar-crucifix/>