There is no salvation outside of the Church we still teach this. However, this does not nor has never meant that one must fully belong to a Catholic parish to be saved. Baptized Christians(protestants) are informally united to the Catholic church by virtue of their trinitarian baptism and faith.
[FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]'Pius Bishop, servant of the servants of God, in lasting memory of the matter.[/FONT]
[FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]He that reigneth on high, to whom is given all power in heaven and earth, has committed one holy Catholic and apostolic Church, outside of which there is no salvation, to one alone upon earth, namely to Peter, the first of the apostles, and to Peter's successor, the pope of Rome, to be by him governed in fullness of power. Him alone He has made ruler over all peoples and kingdoms, to pull up, destroy, scatter, disperse, plant and build, so that he may preserve His faithful people (knit together with the girdle of charity) in the unity of the Spirit and present them safe and spotless to their Saviour.[/FONT][FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]
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[FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]1. In obedience to which duty, we (who by God's goodness are called to the aforesaid government of the Church) spare no pains and labour with all our might that unity and the Catholic religion (which their Author, for the trial of His children's faith and our correction, has suffered to be afflicted with such great troubles) may be preserved entire. But the number of the ungodly has so much grown in power that there is no place left in the world which they have not tried to corrupt with their most wicked doctrines; and among others, Elizabeth, the pretended queen of England and the servant of crime, has assisted in this, with whom as in a sanctuary the most pernicious of all have found refuge. This very woman, having seized the crown and monstrously usurped the place of supreme head of the Church in all England to gether with the chief authority and jurisdiction belonging to it, has once again reduced this same kingdom- which had already been restored to the Catholic faith and to good fruits- to a miserable ruin.[/FONT]
[FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]2. Prohibiting with a strong hand the use of the true religion, which after its earlier overthrow by Henry VIII (a deserter therefrom) Mary, the lawful queen of famous memory, had with the help of this See restored, she has followed and embraced the errors of the heretics.' - [/FONT][FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]
Bull against Elizabeth [/FONT][FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]Pius V, [/FONT][FONT=Arial, Helvetica, Geneva, Swiss, SunSans-Regular]1570[/FONT]