Good question. I'm not sure of the answer, but note that the Code of Canons of the Eastern Churches says: "The new patriarch must as soon as possible request ecclesiastical communion from the Roman Pontiff by means of a letter signed in his own hand."
Good question. I'm not sure of the answer, but note that the Code of Canons of the Eastern Churches says: "The new patriarch must as soon as possible request ecclesiastical communion from the Roman Pontiff by means of a letter signed in his own hand."
Good question. I'm not sure of the answer, but note that the Code of Canons of the Eastern Churches says: "The new patriarch must as soon as possible request ecclesiastical communion from the Roman Pontiff by means of a letter signed in his own hand."
https://orthocath.files.wordpress.com/2010/01/1990_code_of_canons_of_the_eastern_churches.pdf
There's a description of the specific process in the Syro-Malabar Church here:
https://webcache.googleusercontent.com/search?q=cache:6ZEFFNbmT8sJ:https://www.cbci.in/Appointment-of-a-Bishop.aspx&hl=en&gl=uk