Reporting (World Heritage)

States Parties have an obligation to regularly prepare reports about the state of conservation and the various protection measures put in place at their sites. These reports allow the World Heritage Committee to assess the conditions at the sites and, eventually, to decide on the necessity of adopting specific measures to resolve recurrent problems. One of such measures could be the inscription of a property on the List of World Heritage in Danger. States Parties to the World Heritage Convention have to provide, in accordance with Article 29 of the Convention, periodic reports on the application of the Convention and the state of conservation of World Heritage properties.

Source(s): https://whc.unesco.org/en/118/