GIRM

GIRM: General Instruction of the Roman Missal

In layman’s terms, you might call this the “Procedure Manual” for the Mass. Clergy and Liturgy Committees depend on it.
Not a huge document, it’s enlightening reading for anyone who attends Mass.

• For a downloadable PDF,
  visit CCCBishops Liturgical Guidelines page
  • Or Open PDF file directly
• For an indexed online version,
  visit The Vatican’s page – Find the “Missale Romanum” button
  • Or Open the GIRM English version directly.