It is a thing plainly repugnant to the Word of God, and the custom of the primitive church, to have public prayer in the church, or to minister the Sacraments, in a tongue not understood by the people.
Article XXIV of the Episcopal doctrine is identical but they add before it one regarding lawful ministers who may serve in the churches.
XXIII. Of Ministering in the Congregation.
It is not lawful for any man to take upon him the office of public preaching, or ministering the Sacraments in the Congregation, before he be lawfully called, and sent to execute the same. And those we ought to judge lawfully called and sent, which be chosen and called to this work by men who have public authority given unto them in the Congregation, to call and send Ministers into the Lord’s vineyard.
Making a Difference in the World 