The Portiuncula indulgence can be gained on August 2nd, or in remote areas of the world where Mission Chapels are not open during the week, the first Sunday of August. We owe this indulgence to the prayer of Saint Francis of Assisi. In the year 513, four hermits came to Italy and built a small chapel in the vicinity of Assisi. The Benedictines named it the Portiuncula Church and administered it until the 13th century. St. Francis beseeched the Benedictine Abbot to let his Order have the church. Over time, the Portiuncula Church was enlarged and beautified.
The miraculous origin of the Portiuncula indulgence is as follows. Jesus, Mary and a host of angels appeared to St. Francis. Jesus said to him, "Francis you are very zealous for the good of souls. Ask me what you want for their salvation." Francis replied "Lord, I a miserable sinner beg You to concede an indulgence to all those who enter this church, who are truly contrite and have confessed their sins. And I beg Blessed Mary, your Mother, intercessor of man, that she intercede on behalf of this grace." Jesus granted Francis' petition for the indulgence and commanded him to ask Pope Honorius III to sanction it. (Said apparition occurred in the then Portiuncula Chapel.)
The indulgence may be gained as often as one wishes (i.e. visits to the church). It is applicable to oneself or the souls in purgatory.
Requirements for Gaining the Portiuncula Indulgence of the Forgiveness of Assisi
◗ Devoutly visit the parochial (i.e. parish) church on August 2nd.
◗ Say one "Our Father" and the "Apostles Creed".
◗ Say one "Our Father" and one "Hail Mary" for the Holy Father’s intentions (the intentions designated by the Holy Father each month).
◗ Make a sacramental confession within 20 days.
◗ For a plenary indulgence, be free from all attachment to sin, even venial sin (or the indulgence is partial, not plenary).
Collect Prayer for St. Francis of Assisi
O God, by whose gift Saint Francis was conformed to Christ in poverty and humility, grant that, by walking in Francis' footsteps, we may follow your Son, and, through joyful charity, come to be united with you. Through our Lord Jesus Christ, your Son, who lives and reigns with you in the unity of the Holy Spirit, one God, for ever and ever. Amen.