Canon 846 §1
"The liturgical books, approved by the competent authority, are to be faithfully followed in the celebration of the sacraments. Accordingly, no one may on a personal initiative add to or omit or alter anything in those books."
The Code of Canon Law: New Revised English Translation (London, Harper Collins, 1997) page 197.
"The liturgical books approved by the competent authority are to be faithfully observed in the celebration of the sacraments; therefore no one on personal authority may add, remove or change anything in them."
"In sacramentis celebrandis fideliter serventur libri liturgici a competenti auctoritate probati; quapropter nemo in iisdem quidpiam proprio marte addat, demat aut mutet."
Code of Canon Law: Latin-English Edition (Washington, Canon Law Society of America,1983) pages 320 - 321.
Posted by J.R. Lilburne, 3 July 2002.