
Main changes coming into force 1 January 2008- Sec.1 General Requirements— Items A203, A602 and A604 have been amended to align with IACS UR Z7/7.1/7.2/10.1-10.5. Sec.2 Annual Surveys Extent - Main Class— A new item C306, concerning nitrogen control system for insulation and interbarrier spaces, has been added in order to align with IACS UR Z16 Rev. 2.