Not available in English. Shown in Latin.

Can. 77

§ 1. Patriarcha canonice electus valide exercet suum officium tantummodo ab inthronizatione, qua pleno iure officium obtinet.

§ 2. Patriarcha, antequam communionem ecclosiasticam a Romano Pontifice accepit, ne Synodum Episcoporum Ecclesiae patriarchalis convocet neque Episcopos ordinet.

Wording unchanged since the Code took effect in 1991.

Read the whole title TITULUS IVDe Ecclesiis Patriarchalibus 55–150