ISO/IEC TECHNICAL REPORT TR 13233 Firstedition 1995-12-15 Information technology --- Interpretation of accreditation requirements in ISO/lIEC Guide 25 Accreditation of Information Technology and Telecommunications testing laboratories for software and protocol testing services dans le Guide ISO/CEl25 --Accreditation des laboratoires d'essais pour les technologies de I'information et les telecommunications pour logiciels et servicesdecontroledeprotocole IEC Iso Reference number ISO/IEC TR 13233:1995(E) Copyright Intermational Organization for Standardization Not for Resale ISO/IECTR13233:1995(E) Contents Page Foreword Introduction 0 Scope of this Technical Report 1 1 Scope : 3 2 References 3 3 Definitions. 3 4 Organization and management 4 4.A Useof commercial reference implementations 4 4.B Proficiency testing. 5 5 Quality system, audit and review 6 5.A Maintenance procedures 7 5.B Documentation of MOT and test tool validation , 8 6 Personnel. 9 6.A Maintaining Competence 9 7 Accommodation and environment .10 7.A Separation of data partitions .10 7.B Identification of environment .11 7.C Remote testing over a network .12 7.D Checking the testing or validation environment . .13 8 Equipment and reference materials . : .14 8.A Means of testing and test tool validation records .14 8.B Procedures for handling errors in the MOT and test tools ..15 8.C MOT and test tool maintenance. .16 8.D Identification of equipment .17 9 Validation and traceability (Measurement traceability and calibration) 9.A The validation concept ?1SO/IEC1995 All rights reserved.Unless otherwisespecified,nopart of this publicationmaybe photocopying and microfilm, without permission in writing from the publisher. ISO/EC Copyright Office.Case Postale 56.CH-1211Geneve 20.Switzerland Printed in Switzerland Copyright Intermational Organization for Standardization rovided by IHS ur e from IHS Not for Resale @ ISO/IEC ISO/IEC TR 13233: 1995 (E) 9.B MOT and test tool validation .20 9.B.1 Use of reference implementations .21 9.C Validation of test software in the system under test .24 9.D Traceability .25 9.D.1 Traceability of validations .25 9.D.2 Traceability of test results .26 9.D.3 Traceability of test cases .26 9.D.4 Traceability of test tools .27 9.E Confidence checks . . .27 9.F Calibration of test tools used to measure software timers .28 10 Test methods (Calibration and test methods) .28 10.AIntroductiontotestmethods .29 10.B Repeatability and reproducibility .29 10.C Internationally agreed test methods. .32 10.D Measurement uncertainty. .33 10.E Configuration management . .34 11 Handling of test items (Handling of calibration and test items). . .34 11.A Protection against viruses and other agents of corruption .35 12 Records.... .36 12.A Confidentiality and integrity of records .36 13 Certificates and reports .37 13.A Objectivity. .38 13.B Clear and unambiguous test reports .41 14 Sub-contracting of calibration or testing .42 15 Outside support services and supplies. .42 15.A Provision of MOT and test tool validation services 16 Complaints .42 Annexes A Glossary of Terms .43 B Bibliography .52 Copyright Intermational Organization for Standardization Not for Resale