1) The Catholic Church teaches that the Sacrament of Baptism is necessary for salvation (de fide, Trent, Sess. 7, ON BAPTISM Can. 5).
2) Unless we are born again of water and the Spirit, we cannot enter heaven (de fide, Florence, Exultate Deo; Denz 696).
3) The Church understands John 3:5 literally every time, as it is written (de fide, Trent Sess. 6, Chap. 4), and with no exceptions (de fide, Florence (aka Basil): Denz 696; and Trent: Denz. 791, 858, 861).
4) The Spirit of Sanctification, the Water of Baptism and the Blood of Redemption are inseparable (de fide, Pope St. Leo the Great--dogmatic letter to Flavian (ep. xxviii; ch. 5) aka "the Tome").
5) All Catholics must profess only one baptism of water (de fide, Clement V, Council of Vienne).
6) There is absolutely no salvation outside the one Church of the faithful (de fide, Innocent III, Fourth Lateran Council), which only includes the water baptized.
7) Every human creature must be subject to the Roman Pontiff to be saved (de fide, Boniface VIII, Unam Sanctam), and it is impossible to be subject to the Roman Pontiff without the Sacrament of Baptism (de fide, Trent, Sess. 14, Chap. 2).
8) One must belong to the Body of the Church to be saved (de fide, Eugene IV;The Council of Florence (aka Basil), “Exultate Deo and Pius XI, Quas Primas [# 15]), and only the water baptized belong to the Body of the Church.
9) Pope Benedict XII solemnly defined that all martyrs, virgins, confessors, faithful, etc. in Heaven have been baptized (Benedictus Deus, 1336, de fide).
10) The Church is defined as a union of sacraments (de fide,Florence (aka Basil), Eugene IV, Cantate Domino-- Denz 696; Boniface VIII, Unam Sanctam), which means that only those who have received the Sacrament of Baptism can be inside the unity of the Church.
11) All true Justification meets up with the Sacraments (de fide, Trent Sess. 7, Foreword to the Decree on the Sacraments).
12) The Sacraments as such are necessary for salvation though all are not necessary for each individual (de fide, Profession of Faith at Trent and Vatican I; and the Profession of Faith for converts), which means that one must at least receive one Sacrament (Baptism) to be saved but one doesn’t need to receive them all.
