Specifies the conditions and procedures to be followed for the validation by both analysis and testing of safety functions provided and category achieved by the safety related parts of control systems using the design rationale provided by the designer. When validating programmable electronic systems, this Standard does not provide complete requirements and can require the use of other Standards such as the AS 61508 series.RECONFIRMATION NOTICETechnical Committee SF-041 has reviewed the content of this publication and in accordancewith Standards Australia procedures for reconfirmation, it has been determined that thepublication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the originaldate of publication. Users are advised to ensure that they are using the latest versions ofsuch documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures forreconfirmation on 24 July 2014.The following are represented on Technical Committee SF-041:Australian Chamber of Commerce and IndustryAustralian Industry GroupAustralian Manufacturing Workers UnionEngineers AustraliaFederal Chamber of Automotive IndustriesHuman Factors and Ergonomics Society of AustraliaInstitute of Instrumentation, Control and AutomationNational Safety Council of AustraliaNSW Department of Trade and Investment, Regional Infrastructure and ServicesSafety Institute of AustraliaWinery Engineering AssociationWorkCover New South WalesWorkSafe Victoria