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ČSN is a protected designation of Czech national technical standards.
General requirements for the competence of reference material producers
WITHDRAWN published on 1.6.2017
Selected format:Guidance for the in-house preparation of quality control materials (QCMs)
Standard published on 1.10.2015
Selected format:Conformity assessment - Guidelines and examples of a certification scheme for services
Standard published on 1.8.2018
Selected format:Conformity assessment - Requirement for bodies providing audit and certification of management - Part 9: Competence requirements for auditing and certification of anti-bribery management systems
Standard published on 1.12.2025
Selected format:Sustainability information - Part 1: General principles and requirements for validation and verification
Standard published on 1.8.2026
Selected format:Sustainability information - Part 2: Principles and requirements for verification processes
Standard published on 1.8.2026
Selected format:Sustainability information - Part 4: Principles and requirements for bodies validating and verifying sustainability information
Standard published on 1.8.2026
Selected format:
WITHDRAWN published on 23.5.1988
Selected format:
WITHDRAWN published on 17.12.1987
Selected format:
WITHDRAWN published on 23.5.1988
Selected format:Latest update: 2026-08-13 (Number of items: 2 293 179)
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