Based on international standards such as ISO/IEC 17025, NITE IA JAPAN (National Institute of Technology and Evaluation International Accreditation Japan) certifies test laboratories and calibration institutions, and operates multiple accreditation systems.
The accreditation system for reference material includes JCSS (Japan Calibration Service System) which is a registration/certification program based on the measurement law, and ASNITE (Accreditation System of National Institute of Technology and Evaluation) which is an accreditation program that complements areas that cannot be covered by other certification programs based on domestic law.