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National Voluntary Laboratory Accreditation Program (NVLAP) Common Criteria Testing



Dana S. Leaman


NIST Handbook 150-20 represents the technical requirements and guidance for the accreditation of laboratories under the National Voluntary Laboratory Accreditation Program (NVLAP) Information Technology Security Testing: Common Criteria Testing. It is intended for information and use by accredited laboratories, laboratories seeking accreditation, laboratory accreditation systems, users of laboratory services, and others needing information on the requirements for accreditation under this program. The 2014 edition of NIST Handbook 150-20 supersedes and replaces the 2005 edition. The handbook was revised with the participation of technical experts in applicable fields of testing concerning information technology security and the Common Criteria, and was approved by NVLAP. The following main changes have been made to this handbook with respect to the previous edition: - all references to applicable guides and standards have been updated; - the sequence of NVLAP assessment activities and the proficiency testing program have been changed; - all requirements have been updated to reflect the relevant changes within the National Information Assurance Partnership (NIAP); and - the number of annexes has been reduced from four to two. Annexes A and B show the sequence of events and the responsible parties for initial accreditation and development of written procedures. This handbook is also available on the NVLAP website (
Handbook (NIST HB) - 150-20
Report Number


accreditation, assessment, testing, ISO/IEC 17025, laboratory, management system, NVLAP, proficiency testing


Leaman, D. (2015), National Voluntary Laboratory Accreditation Program (NVLAP) Common Criteria Testing, Handbook (NIST HB), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed June 16, 2024)


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Created March 4, 2015, Updated November 10, 2018