What kind of indulgence is granted by this sacrament, and what must one do to gain it?
a. The sacrament grants indulgence for the forgiveness of past sins, and one must confess their sins and receive absolution from a priest to gain it.
b. The sacrament grants indulgence for the remission of temporal punishment due to sin, and one must sincerely repent and perform acts of penance to gain it.
c. The sacrament grants indulgence for the purification of the soul, and one must receive the sacrament with a contrite heart and a sincere intention to change their ways to gain it.
d. The sacrament grants indulgence for the strengthening of one's faith, and one must receive the sacrament regularly and participate in the life of the Church to gain it.