53 Especially on Sundays and feasts of obligation there is to be restored, after the Gospel and the homily, "the common prayer" or "the prayer of the faithful." By this prayer, in which the people are to take part, intercession will be made for holy Church, for the civil authorities, for those oppressed by various needs, for all mankind, and for the salvation of the entire world .
Source: Sacrosanctum Concilium (Vatican.va)