Adopts ISO 13584-31 which provides an application programming interface that enables an application program to generate geometric models that are independent of the target user system. The interface allows portability of programs that describe parametric shape representations of parts families held in an AS ISO 13584 parts library.RECONFIRMATION NOTICETechnical Committee IT-006 has reviewed the content of this publication and inaccordance with Standards Australia procedures for reconfirmation, it has beendetermined that the publication is still valid and does not require change.Reconfirmed documents cannot be amended, but may be formally revised and a newedition published.Certain documents referenced in the publication may have been amended since theoriginal date of publication. Users are advised to ensure that they are using the latestversions of such documents as appropriate, unless advised otherwise in thisReconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures forreconfirmation on 14 July 2015.The following are represented on Technical Committee IT-006:Australia Safety Critical Systems AssociationAustralian Computer SocietyAustralian Industry GroupAustralian Petroleum Production and Exploration AssociationConsult AustraliaEngineers AustraliaInstitute of Chemical Engineers AustraliaInstitute of Instrumentation, Control