This subject has been exhausted with myriads of links and arguments, and I am not going to debate any further here. The point that has been wrongly argued by proponents of Fr. Feeney is that he was simply disobedient, and not that he was in error. I haven’t seen this posted, which clearly shows the very reason for his excommunication was due to
disobedience in failing to retract his error.
In April of 1949, Dr. Maluf and three other professors, all members of the St. Benedict Center, were expelled from the Jesuit house in Boston for having taught an erroneous doctrine. They claimed that all those who were not explicitly members of the visible Church were damned, and accused all those who denied this of being heretics.
In order to explain the reasons to the press, the Very Reverend William L. Keheler, S.J., President of Boston College, declared: “They persisted in teaching, both in and outside the classroom, doctrines which contradicted the traditional teaching of the Catholic Church, ideas that fostered fanaticism and intolerance.”
The affair became a scandal when on April 17, 1949, Father Leonard Feeney publicly undertook the defense of these professors and their doctrine.
The following day, Richard J. Cushing, the Archbishop of Boston, without any warning to the interested parties, declared to the press that Father Leonard Feeney was suspended a divinis, in the archdiocese and the St. Benedict’s Center was placed under interdict.
Considering this double sanction to be against canon law, Father Feeney appealed to Rome. From then on, there was open war bewteen the priest and local authorities.
On the 8th of August, 1949, Cardinal Marchetti-Selvaggiani, Secretary of the Holy Office, wrote to the Archbishop of Boston and sent him a Declaration of this Holy Office to be conveyed to Father Feeney, which made clear the sense in which one should understand the doctrine that “There is no salvation outside of the Catholic Church.” Father Feeney refused to adhere to this declaration and wrote with regard to the matter that “it can be considered as having established a two-sided policy in order to propagate error.”
On October 28, Father Feeney was expelled from the Jesuit Order.
Things remained unchanged until September 14, 1952. At this point, the Archbishop of Boston demanded that Father Feeney retract his false interpretation and make an “explicit profession of submission” to the Roman Declaration within one month or suffer the penalty of being reduced to the state of a layman.
On September 24, 1952, a letter was sent from the St. Benedict Center to Pius XII, accusing the Archbishop of Boston of heresy.
In October of 1952, Cardinal Pizzardo summoned Father Feeney to present himself in Rome for a hearing by the Holy Office. Father Feeney accepted on condition that they told him beforehand what the charges against him were. Not receiving any response, he did not comply.
On February 16, 1953, the Acta Apostolicae Sedis announced the excommunication of Father Leonard Feeney. The following is an official translation of the Decree:
"Since Father Leonard Feeney remained in Boston (St. Benedict Center) and since he has been suspended from performing his priestly duties for a long time because of his grave disobedience to the Authority of the Church, in no way moved by repeated warnings and threats of incurring excommunication ipso facto, and has still failed to submit, the most Eminent and Reverend Fathers, charged with the responsibility of safeguarding faith and morals, during a plenary session held on February 4, 1953, have declared him excommunicated with all the effects that this has in law.
"On Thursday, February 12, 1953, Our Most Holy Father Pius XII, Pope by Divine Providence, has approved and confirmed the decree of these Most Eminent Fathers, and ordered that this be made a matter of public record.
“Given in Rome in the general quarters of the Holy Office, February 13, 1953. Marius Crovini, notary.”
Since then, and in spite of the sanction of the Holy See, Father Feeney has made the St. Benedict Center the headquarters of a Society of about one hundred individuals who call themselves the Slaves of the Immaculate Heart of Mary, and who have undertaken to propagate this condemned doctrine about the salvation of non-Catholics, while accusing the Archbishop of Boston and all who agree with his interpretation of being heretics.
http://www.the-pope.com/feeneyite.html