ISO 9000 management system can be certified is ISO 9001:2015 (ISO 9001:2008 will expire by around September 2018). Many countries have formed accreditation bodies to authorize ("accredit") the certification bodies. Both the accreditation bodies and the certification bodies charge fees for their services. The various accreditation bodies have mutual agreements with each other to ensure that certificates issued by one of the accredited certification bodies (CB) are accepted worldwide. Certification bodies themselves operate under another quality standard, ISO/IEC 17021, while accreditation bodies operate under ISO/IEC 17011. An organization applying for ISO 9001 certification is audited based on an extensive sample of its
ISO 50001 Denmark, France, Germany, Ireland, Japan, Republic of Korea, Netherlands, Singapore, Sweden, Taiwan, Thailand, New Zealand and the USA. Subsequently, the European Committee for Standardization (CEN) developed EN 16001:2009 "Energy management systems. Requirements with guidance for use" as a first international energy management standard. This was published in July 2009 and withdrawn in April 2012 as it had been superseded by ISO 50001. The United Nations Industrial Development Organization (UNIDO) recognized that industry around the world needed to mount an effective response to climate change. It also noted a proliferation of national energy management standards that were emerging as a response