The document discusses the revision and promulgation of the 1983 Code of Canon Law. It describes how Pope John XXIII convened the Second Vatican Council in 1959 and established a commission to revise the 1917 Code of Canon Law. Ten guiding principles for the revision were developed and approved by the Synod of Bishops in 1967, focusing on defining rights and obligations, pastoral care, and subsidiarity. Pope John Paul II reviewed the proposed Code twice before its finalization and promulgation on January 25, 1983 by the same pope.