Before revision: The observance or variation of the discipline belongs to the Congregation of Rites; in pontifical processions, which are regulated by the masters of the ceremonies (magistri ceremoniarum pontificalium), these points are decided by the chief cardinal deacon.
After revision: SacredThe observance or variation of the discipline belongs to the Congregation of Rites; in pontifical processions, which are regulated by the masters of the ceremonies (magistri ceremoniarum pontificalium), these points are decided by the chief cardinal deacon.