21.A.231 Scope 21.A.233 Eligibility 21.A.234 Application 21.A.235 Issue of design organisation approval 21.A.239 Design management system 21.A.239A Information security management system 21.A.243 Handbook 21.A.245 Resources 21.A.247 Changes in the design management system 21.A.249 Transferability 21.A.251 Terms of approval 21.A.253 Changes to the terms of approval 21.A.258 Findings and observations 21.A.259 Duration and continued validity 21.A.263 Privileges 21.A.265 Obligations of the holder