In entirety, the IACS Procedures comprise:

Volume 1: IACS General Procedures (adopted April 2010);
Volume 2: Procedures concerning requirements for Membership of IACS (adopted December 2009);
Volume 3: IACS Quality Systems Certification Scheme (QSCS) (adopted June 2011);
Volume 4: Procedures for the maintenance and harmonisation for the Common Structural Rules (adopted July 2011).