Taken from Pastoral Notes for Roman Missal – Canadian Conference Catholic Bishops

56. The commentator’s ministry originated with developments in liturgical celebration before the Second Vatican Council. Since then, the commentator, if there is one, usually makes the parish announcements, either before the Eucharist begins or following the Prayer after Communion

  • The commentator may also be an appropriate person to announce the intentions of the Universal Prayer (Prayer of the Faithful).54