32 Let this spirit of prayer and reparation be maintained with keen earnestness and intensity by all the faithful during the entire octave, to which dignity it has pleased Us to raise this feast; and during this octave, in the manner that each of you, Venerable Brethren, according to local circumstances, shall think opportune to prescribe or counsel, let there be public prayers and other devout exercises of piety, for the intentions We have briefly touched on above, "that we may obtain mercy and find grace in seasonable aid." ( Hebr . iv. 16.)
Source: Caritate Christi Compulsi (Vatican.va)