Candidates are recommended to check with local partners or info@isto.ch for test dates. Other dates may be planned to coincide with specific events, such as the ASQ Annual Congress, the EOQ Conference, the INLAC World Forum, and others.

Disclaimer: The International Standardized Testing Organization (ISTO) is a commercially - run organization. It fully supports and embraces the international standards published by standards bodies. The International Organization for Standardization (ISO) is a world-wide federation of National standards bodies based in Geneva, Switzerland. Being independent and impartial, ISTO has no formal links with any standard bodies.