Analysis of information sources in references of the Wikipedia article "Our Lady of La Salette" in English language version.
1851 … Bishop de Bruillard publishes the Doctrinal Statement of September 19: the Apparition is authentic; public worship is authorized; a church will be built on the site of the Apparition.
We judge that the Apparition of the Blessed Virgin to the two cowherds on the 19th of September, 1846, on a mountain of the chain of Alps, situated in the parish of LaSalette, in the archpresbytery of Corps, bears within Itself all the characteristics of truth, and that the faithful have grounds for believing it indubitable and certain.