A Nicene Prohibition forbade a Bishop to exercise his authoritative episcopal functions within the limits of the Diocese of another Bishop . . . [but intervention may be justified] by the Historic Episcopate, wherever existing, unscriptural terms of communion doctrine are exacted, departures from primitive catholic doctrine which are unauthorized and unsound are inculcated, unhistoric domination of an alien episcopal authority is imposed, and unwholesome and immoral practices in the discipline of daily life are permitted and encouraged. If believing souls call aloud for relief from such encompassing error and wrong, then the entering-in for help would seem to be rather a rightful catholic protection of oppressed orthodoxy, than an uncatholic intrusion into a prohibited cure.
Another polemical outburst from a representative of schismatic Anglican conservatism?
Well, no, it's actually the pronouncement of the Joint Committee on the Increased Responsibilities of the Church of the General Convention of The Episcopal Church in 1898, regarding the extension of episcopal oversight to the new American jurisdictions of Cuba and Puerto Rico. How times change!