Division Classifications and markings
United Kingdom
- 2Division 2
- 3Division 3
- 4Division 4
- 5Division 5
- 6Division 6
- 7Division 7
- 8Division 8
- 9The classification of a letter or note covering enclosures shall be as high as the highest classification of its enclosures. The originator shall indicate clearly at which level it is classified when detached from its enclosures by means of an appropriate marking, e.g.: