Complex sentence: In the Eastern Catholic Churches that have the rank of patriarchate, the patriarchal synod elects bishops for the patriarchate's canonical territory, while bishops who head eparchies situated outside that territory are appointed by the Pope.
Split into simpler sentences: In the Eastern Catholic Churches that have the rank of patriarchate, the patriarchal synod elects bishops for the patriarchate's canonical territory. Bishops who head eparchies situated outside that territory are appointed by the Pope.