International Organization for Standardization (ISO)
Status
Latest
ISO/IEC Guide 28:2004
Scope
This Guide gives general guidelines for a specific product certification system.
It is applicable to a third-party product certification system for determining the conformity of a product with
specified requirements through initial testing of samples of the product, assessment and surveillance of the
involved quality system, and surveillance by testing of product samples taken from the factory or the open
market, or both. This Guide addresses conditions for use of a mark of conformity and conditions for granting a
certificate of conformity.
This system corresponds to system 5 product certification system as described in ISO/IEC Guide 67.
A model checklist of requirements for a third-party certification system is given in Annex A.
ISO/IEC Guide 28:2004 history
2004ISO/IEC Guide 28:2004 Conformity assessment - Guidance on a third-party certification system for products
1982ISO/IEC GUIDE 28:1982 General rules for a model third-party certification system for products