This was a letter answering an inquiry not a formal declaration. Since he does not use the Latin we cannot know for certain which classification it falls under. In fact, I don’t think he was using any of the three terms
Are you assuming that consta in Spanish is the same word as constat in Latin? . Consta may be translated as to be clear from, be evident from, consist of. The Latin constat is certain. To translate the Latin it would be it is not certain of supernatural. Where as the Spanish it would be as the site translated it.
I to not think in answering the letter, it was the intent of the Bishop to be using the specific terminology of the Church but only reaffirming what his predecessors said that nothing supernatural took place. The Bishops have also not allowed mass to be said at the site only at the Church.
When dealing with apparitions, the bishops do use specific terminology:
Types of Decisions
The decision of the local bishop should be one of the following: 1) constat de supernaturalitate (established as supernatural), 2) constat de non supernaturalitate (established as not supernatural); or 3) non constat de supernaturalitate (not established as supernatural).
- Constat de supernaturalitate. An apparition judged supernatural (formerly called worthy of belief) has manifested signs or evidence of being an authentic or truly miraculous intervention from heaven. This judgment is possible when there is evidence of supernatural phenomena, sound doctrine, moral probity, mental health and sound piety of the seer(s) and enduring good fruits among the faithful.
The issue of supernaturality is one that deserves to be explored more fully. According to the common teaching of the Church, most extraordinary phenomena in the mystical order (visions, apparitions, locutions, ecstasies, mystical knowledge etc.) are caused by angels acting on God’s behalf. Whether the burning bush which Moses saw, the ecstatic flights of St. Joseph Cupertino, the stigmata of St. Francis or the revelations of St. Catherine, the general rule in the spiritual order is that God does not do immediately and directly what can be done mediately through a lower order nature, in this case the good angels. The presence of such phenomenon is not, therefore, unequivocal evidence of supernaturality. Each of the approved apparitions have had such clear signs, from the instantaneous and inexplicable cures at Lourdes to the natural prodigy of October 13th 1917 in Fátima, but also the other marks of authenticity mentioned above.
- Constat de non supernaturalitate. The judgment that an alleged apparition has been shown to be not supernatural means it is either clearly not miraculous or lacks sufficient signs of the miraculous. Private revelation, for example, which is doctrinally dangerous or which manifests hostility to lawful authority could not come from God. It could even be demonic, especially if there are extraordinary signs accompanying it. The devil gladly mingles truth and lie to deceive the faithful, dazzling them with signs and wonders to give credence to his message. His purpose is to separate them from the Church, either by getting them to believe things contrary to the deposit of the faith or to act contemptuously of Church authority. An attitude of pride and judgment toward the Church is a clear sign of his presence. An alleged revelation may also only be a pious rambling, consistent with faith and morals, but lacking evidence of being anything more than the product of human effort. No fraud need be intended, only an active imagination. Finally, it may be that the doctrine may be sound and there may be phenomena, but insufficient to demonstrate supernaturality. In this latter case, there would seem to be a possibility of revision.
- Non constat de supernaturalitate. Finally, it may not be evident whether or not the alleged apparition is authentic. This judgment would seem to be completely open to further evidence or development.
Responsibility of the Faithful. Today there are a myriad of alleged private revelations and apparitions vying for the attention of the faithful. None have been definitively judged by the Holy See, some have been approved by local authority (e.g. Akita, Cuapa, Betania), others have been found lacking in supernaturality (e.g. Medjugorje, Garabandal), some few have been condemned (e.g. Necedah, Bayside) and finally, the vast majority have received no attention from Church authorities whatsoever.
The first responsibility of the faithful is to remain firmly established in the faith, in the sacraments and in communion with the Pope and bishops. Any Catholic who gives their primary attention to alleged private revelation at the expense of Sacred Scripture, the teaching of the Church (especially the Catechism), sacramental practice, prayer and fidelity to Church authority is off course. The running after spiritual phenomena, such as alleged revelations, is condemned by St. John of the Cross as spiritual avarice. This means that pious souls who would be repulsed by crude materialistic greed think nothing of being greedy to know revelations and prophecies. An exclusive, or even a predominant attention to these matters (especially apocalyptic ones), cannot help but produce an unbalanced spirituality. Should the Church condemn some favorite alleged revelation such a person may find themselves believing more in it than in the supernatural authority of the Church. The devil will have succeeded in what he had set out to do.
The second responsibility is to have regard, in the first place, for those private revelations and apparitions approved by the Church. Within a balanced practice of the faith the edifying content of approved private revelations can be a motive for deeper piety and fidelity to the Gospel. God has chosen to give guidance to the Church in particular eras in this way and we would, as I noted above, be imprudent to disregard altogether what are credibly His prophetic interventions in the life of His Church.
Finally, there are many other private revelations that have not received Church approval. The Second Vatican Council urges us to discern the Spirit in the case of such extraordinary graces [Lumen gentium 12], which means being neither gullible or incredulous, but subjecting them to all relevant theological and human tests of credibility. Clearly, in this the judgment of the local bishop is the key element of such a discernment as I noted above. Often enough, unfortunately, the laity are left to make this determination themselves, relying on the testimony of the events, the judgment of holy and orthodox priests and common sense. It must always be kept in mind that however credible and reasonable such revelations seem to be, God would never ask one to separate oneself from the faith and discipline of the Church to follow it.
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ewtn.com/expert/answers/apparitions.htm)