“The Churches which, while not existing in perfect communion with the [Roman] Catholic Church, remain united to her by means of the closest bonds, that is, by apostolic succession and a valid Eucharist, are true particular Churches.”
“Therefore, these separated Churches and communities as such … have by no means been deprived of significance and importance in the mystery of salvation. For the Spirit of Christ has not refrained from using them as means of salvation which derive their efficacy from the very fullness of grace and truth entrusted to the Catholic Church.”
By this statement any catholic bishop in an unbroken apostolic line from the original Roman Catholic Bishop is a true Catholic Bishop, but we must remember to stay as close to the original source as much as possible.
The Anglocatholic Church understands that statements concerning Apostolic Succession and valid Eucharist makes us “a true particular church” in the understanding of The Holy See.