Tweede van een serie van 5 Oecumenische Concilies gehouden in het Lateranen [d:290] van 1 tot en met 30 november 1215. Hierbij een samenvatting van de belangrijkste Canons, door dit Concilie afgekondigd. (Enkele zijn vertaad, aan een verdere vertaling wordt gewerkt)

• Caput 1: De fide catholica [796] (DH 800-802)
• Caput 2. De errore Abbatis Ioachim [764]
• Caput 3. De haereticis (Waldensibus) [798]
• Caput 4. De superbia Graecorum contra Latinos [799]
• Caput 5. De dignitate Patriarcharum [800]
• Canon 6: Provincial councils must be held annually for the reform of morals, especially those of the clergy.
• Canon 7: The correction of offences and the reform of morals
• Canon 8: Procedure in regard to accusations against ecclesiastics. Until the French Revolution, this canon was of considerable importance in criminal law, not only ecclesiastical but even civil.
• Caput 9. Viering van de openbare eredienst op plaatsen waar de bewoners behoren tot nationaliteiten met een andere rite [4354]
• Canon 10: On appointing preachers
• Canon 11 renews the ordinance of the 3rd council of the Lateran of 1179 on free schools for clerics in connexion with every cathedral.
• Canon 12: Abbots and priors are to hold their general chapter every three years.
• Canon 13 forbids the establishment of new religious orders, lest too great diversity bring confusion into the Church.
• Canons 14-17: Against the irregularities of the clergy -- e.g., incontinence, drunkenness, the chase, attendance at farces and histrionic exhibitions.
  • 14. Clerical incontinence
  • 15. Clerical gluttony and drunkenness
  • 16. Decorum in the dress and behaviour of clerics
  • 17. Dissolute prelates
• Canon 18: Priests, deacons, and subdeacons are forbidden to perform surgical operations.
• Canon 19 forbids the blessing of water and hot iron for judicial tests or ordeals.
• Caput 21. De confessione facienda, et non revelanda a sacerdote, et saltem in Pascha communicando [801]
• Caput 22. Quod infirmi prius provideant animae quam corpori [802]
• Canons 23-25 regulate ecclesiastical elections and the collation of benefices.
  • 23. Churches are to be without a prelate for no more than 3 months
  • 24. Democratic election of pastors
  • 25. Invalid elections
• Canons 26: Ecclesiastical procedure.
• Canons 27-30 regulate ecclesiastical elections and the collation of benefices.
• Caput 41. De continuatione bonae fidei in omni praescriptione [804]
• Canons 44, and 48: Ecclesiastical procedure.
• Canons 50: On marriage.
• Caput 51. De poena contrahentium clandestina matrimonia. [805]
• Canons 52: On publication of banns.
• Caput 62. De reliquiis Sanctorum [806]
• Caput 63. De simonie [807]
• Canons 78, 79: Jews and Moslems shall wear a special dress to enable them to be distinguished from Christians. Christian princes must take measures to prevent blasphemies against Jesus Christ.

• Paus Innocentius III - Epist. ad Concil. Later. IV spectantes [4963]