TUTIS has qualified and achieved British Safety Council's Level accreditation. The International Diploma is accredited by the Institution of Occupational Safety and Health (IOSH) as meeting the requirement for graduate membership of the institution (Grad IOSH).Following the successful completion of a period of initial professional development,a graduate member may apply for chartered status (CMIOSH).holders of the international diploma may also apply for full membership of the international institute of risk and safety management (IIRSM).