Representing international certification bodies. IIOC (Independent International Organisation for Certification) is a trade body of a number of key international certification bodies, each delivering a range of management system certification schemes. It represents their views on management system certification issues and provides technical input that influences decision making in this field. IIOC is a key source of support to organizations involved in management system certification. IIOC also supports the regulatory framework and development of industry-led schemes to ensure management systems deliver improvements in performance the market expects from third party certification.