C3 Slip
I.M.R. Handbook
Document Classification System
A document has a three-part classification attached. For example:
O U O |
The first letter contains information about permitted distribution:
O |
Open |
Any employee can request access |
R * ** |
Restricted |
Compartmentalised intelligence |
The second letter contains information about the level of importance attached to the classification:
U |
Unrestricted |
Available to anyone |
T * |
Theatre / Tower |
Restricted to an area |
C * ** |
Closed |
Available only to mission staff |
The last letter contains information regarding the source of the document:
P |
Public |
Available to general public |
O |
Open |
Acquired through admitted capability |
C * |
Closed |
Acquired from allies |
S * ** |
Secret |
Acquired through non-public capability |
In general, a document should not be distributed further than neccesary for operational requirements – and certainly not to anyone without clearance.
If in doubt, consult with your team leaders.
* : Not for further distribution outside of the organisation.
** : Not for further distribution at all.