i. Seven Years and Seven Quarantines daily, if five decades are said either in public or in private.

ii. Plenary, on Rosary Sunday, or during the Octave, if five decades are said on all those days. (Special Conditions: Confession, Communion, Visit to a church, Prayer according to the Pope’s intention.)

iii. Plenary, once during the month, if, after the Octave, five decades are said on any ten days. (Special Conditions: Confession, Communion, Visit to a church, Prayer according to the Pope’s intention.)

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Decrees of the Sacred Congregation of Indulgences:
Leo XIII. Encyclical, September 1, 1883.
Congregation of Rites. August 20, 1885.
Congregation of Indulgences. July 23, 1898.