In full: King Charles III's Accession Council

The Accession Council is a ceremonial body which assembles in St James's Palace in London upon the death of a monarch to make a formal proclamation of the accession of the successor to the throne.

Charles III acceded to the throne of the United Kingdom and the thrones of the other Commonwealth realms upon the death of his mother, Elizabeth II, on the afternoon of 8 September 2022. Royal succession in the realms occurs immediately upon the death of the reigning monarch