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Sites which are annually inscribed on the World Heritage List are subject to rigorous selection. It is ICOMOS' mission as an advisory body for UNESCO to evaluate all cultural and mixed (possessing both cultural and natural features) properties nominated by States Parties each year.
In this regard, ICOMOS is responsible for determining whether the properties carry Outstanding Universal Value. The sites must meet the criteria and conditions of authenticity and integrity defined by UNESCO, and must be provided with adequate legal protection and good management systems. Following this evaluation, ICOMOS presents its recommendations to the annual session of the World Heritage Committee. The Committee is then responsible for the final decision regarding the listing of the properties.
Further Reading: The evaluation process in detail
Photo: Presentation of the Forth Bridge (UK) nomination at the 2015 World Heritage Committee session in Bonn, Germany. © ICOMOS