The Oratory policy puts the Canon Laws on Catholic practice in the criteria, as follows ....
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NOTES ON CATHOLIC PRACTICE
Extract from the current Code of Canon Law, promulgated by Pope John Paul II on 25th January 1983.
For members of Eastern Catholic churches the relevant CCEO canons will apply.
MASS ATTENDANCE
Canon 1246. Sunday, on which by apostolic tradition the paschal mystery is celebrated, is to be
observed in the universal Church as the primary day of obligation. The following feast days are also
to be observed as holydays of obligation: the Nativity of Our Lord Jesus Christ, The Assumption of
the Blessed Virgin Mary, the Apostles Peter and Paul and All Saints
Canon 1247. On Sundays and other holydays of obligation, the faithful are obliged to participate in
the Mass. They are also to abstain from such work or business that would inhibit the worship to be
given to God, the joy proper to the Lord’s Day, or the due relaxation of mind and body.
Canon 1248. The obligation of participating in the Mass is satisfied by one who assists at Mass
wherever it is celebrated in the Catholic rite, either on the holyday of obligation itself or on the
evening of the previous day. If it is impossible to participate in a Eucharistic celebration, either
because no sacred minister is available or for some other grave reason, the faithful are strongly
recommended to take part in the liturgy of the Word, if there be such in the parish church or some
other sacred place, which is celebrated in accordance with the provisions laid down by the diocesan
Bishop; or to spend an appropriate time in prayer, whether personally or as a family or as occasion
presents, in groups of families.
BAPTISM
Canon 867. §1 Parents are obliged to see that their infants are baptised within the first few weeks. As
soon as possible after the birth, indeed even before it, they are to approach the parish priest to ask for
the sacrament for their candidate, and to be themselves duly prepared for it. §2 If the infant is in
danger of death, it is to be baptised without any delay.