Catholic Church defines its teaching on transubstantiation—a doctrine which describes the method by which the bread and wine offered in the sacrament of the Eucharist becomes the actual blood and body of Christ.

On the negative side, James Carroll has described the clothing regulations as "the precursor of the infamous yellow badge". He emphasises the key role of the Council in effecting major changes in Jewish-Catholic relations.

Called the "Great Council"due to the presence of 71 patriarchs and metropolitan bishops, 412 bishops, 900 abbots and priors together with representatives of several monarchs — the largest and most representative of the medieval councils to that date.

• Canon 1: The Creed Caput Firmiter—Exposition of the Catholic Faith and of the sacraments. It includes a brief reference to transubstantiation.
• Canon 2: Condemnation of the doctrines of Joachim of Fiore and of Amalric of Bena.
• Canon 3: Procedure and penalties against heretics and their protectors.
• Canon 18: Clerics may neither pronounce nor execute a sentence of death. Nor may they act as judges in extreme criminal cases, or take part in matters connected with judicial tests and ordeals. This last prohibition, since it removed the one thing that gave the ordeal its value, was the beginning of the end of Trial by ordeal.
• Canon 54: Tithe payments have priority over all other taxes and dues.
• Canon 67: Jews may not charge extortionate interest.
• Canon 68: Jews and Muslims shall wear a special dress to enable them to be distinguished from Christians so that no Christian shall come to marry them ignorant of who they are.
• Canon 69: Declares Jews disqualified from holding public offices, incorporating into ecclesiastical law a decree of the Holy Christian Empire.
• Canon 70: Takes measures to prevent converted Jews from returning to their former belief.