The canon law of the Eastern Catholic Churches, which had developed some different disciplines and practices, underwent its own process of codification, resulting in the Code of Canons of the Eastern Churches promulgated in 1990 by Pope John Paul II.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): In what ways did the Eastern Catholic Churches's legal systems vary from those of the west?
different disciplines and practices