[3] On 26 November 2008, the Antiquities Advisory Board announced that the declaration of monuments would be related to the grading of historic buildings.
[4] The Antiquities Authority (the Secretary for Development) may declare a building facing a demolition risk a proposed monument, thus providing the building with immediate protection against demolition.
A Declaration of "proposed" status is valid for twelve months and may be extended.
[5] Five buildings were declared proposed monuments between 1982 and 2012: Ohel Leah Synagogue (later Grade I in 1990), Morrison Building (subsequently declared in 2004), Jessville (later Grade III), King Yin Lei (subsequently declared in 2008) and Ho Tung Gardens (later demolished in 2013).
[6] Hung Lau was declared a proposed monument on 9 March 2017, and subsequently retained its Grade I status.