in 1928 the parish church was included into the diocese of lingayen-pangasinan. in the 15th centenary anniversary of the council of ephesus, the sison parish was consecrated under “la reina del monte carmelo” (our lady of mount carmel), forming part of the roman catholic diocese of urdaneta in 1985. but it was only on its centennial founding on november 20, 1996 that the parish church became a diocesan shrine. its feast day is every 16 july. the parish priest is rev. fr. bernardo villanueva.