An indulgence of 300 days.A plenary indulgence once a month, on the usual conditions, for the daily recitation of this invocation.A plenary indulgence on the usual conditions on the Feast of the holy Guardian Angels, if this invocation has been said frequently in the morning and evening throughout the preceding year.A plenary indulgence at the hour of death, to be gained by the faithful who have been accustomed to say this invocation frequently during life, provided that they go to confession and Communion, or, at least, make an act of contrition, invoke the holy Name of Jesus, orally, if possible, or at least mentally, and accept death with resignation from the hand of God as the just punishment for their sins (Apostolic Brief, Oct. 2, 1795; S. C. Ind., June 11, 1796 and May 15, 1821; S. P. Ap„ Oct. 27, 1935).