Congregation for Divine Worship and the Discipline of the Sacraments: General Instruction of the Roman Missal (Third Typical Edition)

Priest celebrating, in persona Christi, the Eucharist

The General Instruction of the Roman Missal (Third Typical Edition) provides specific detail about each element of the Order of Mass celebrated in accordance with the Roman Missal, Third Edition (implemented 27 November 2011). Image links to Vatican translation.