Division 1.1 United Kingdom Original text. Later amendments are not shown. Shape and dimensions of the space for mounting a rear registration plate. 1.1.1The space for mounting shall comprise of a flat or virtually flat rectangular surface with the following minimum dimensions: 1.1.2Division 1.1.2 1.1.2.1Division 1.1.2.1 1.1.3Division 1.1.3 ← Division 1 Division 1.1 Division 1.1.1 →