General Instruction of the Roman Missal

The General Instruction of the Roman Missal (GIRM)—in the Latin original, Institutio Generalis Missalis Romani (IGMR)—is the detailed document governing the celebration of Mass of the ordinary form of the Roman Rite of the Catholic Church since 1969. It is printed at the start of recent editions of the Roman Missal.

This document unified and replaced a number of documents that were printed in earlier editions:

The General Instruction is arranged in nine chapters, preceded by a preamble. The chapter headings are:

In his apostolic exhortation Sacramentum caritatis,Pope Benedict XVI stressed the importance of proper knowledge of the General Instruction not only for priests but also for the laity:

The Latin original may be consulted at a number of sites. The most easily legible on a computer screen is perhaps that of the Salesians of Don Bosco (German Salesians).

An English translation, but with adaptations for the United States of America, can be consulted at the appropriate web page of the United States Conference of Catholic Bishops' Committee on Divine Worship. The same translation, but with adaptations instead for England and Wales, may be found at the web site of the England & Wales Liturgy Office.

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