Muscat: Eng Ahmed Maati al Mutairi, Director-General of the GCC Accreditation Centre (GAC), has lauded the issuance of Royal Decree No 55/2021 ratifying the establishment of the GAC.In a statement to Oman News Agency (ONA), Eng Ahmed Maati stressed the GAC’s mandate to activate accreditation activity in the Sultanate in coordination with the departments.