ICMAC is a worldwide network of scholars who study and are interested in canon law during the Middle Ages. ICMAC is organized as an association under Swiss law, with residence in Zurich.

• ICMAC supports research, publications and instruction in medieval canon law.

• ICMAC sponsors sessions at academic conferences around the world, especially the Leeds International Medieval Congress (IMC) since 1999.

• ICMAC cultivates international cooperation among scholars, and facilitates cooperation with scholarly and learned societies, especially the Stephan Kuttner Institute of Medieval Canon Law.

• ICMAC helps to support the Bulletin of Medieval Canon Law.

• Every four years, it organizes the International Congress of Medieval Canon Law.