Defines a number of information objects applicable to the domain of radiation oncology to support the transfer of radiotherapy related data between devices within or outside of a radiotherapy department. It is identical with and has been reproduced from IEC 61852:1998.RECONFIRMATION NOTICETechnical Committee HE-003 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 3 March 2016.Approved for reconfirmation in New Zealand on behalf of the Standards Council of New Zealand on 18 May 2016.The following are represented on Technical Committee HE-003:Australasian College of Physical Scientists and Engineers in MedicineAustralian and New Zealand College of AnaesthetistsAustralian Chamber of Commerce and IndustryAustralian Dental AssociationAustralian Society of AnaesthetistsCanterbury District Health BoardCollege of Biomedical Engineering Engineers AustraliaDepartment of Defence (Australian Government)Engineers AustraliaMedical Technology Association of AustraliaNew Zealand Institute of Healthcare EngineeringTesting Interests (Australia)Therapeutic Goods AdministrationWairarapa District Health BoardWaitemata District Health BoardWorksafe New Zealand