Division 12 The following standard abbreviations may be used within EU classified documents to indicate the classification level of sections or blocks of text of less than a single page:
United Kingdom
| TRÈS SECRET UE/EU TOP SECRET | TS-UE/EU-TS |
| SECRET UE/EU SECRET | S-UE/EU-S |
| CONFIDENTIEL UE/EU CONFIDENTIAL | C-UE/EU-C |
| RESTREINT UE/EU RESTRICTED | R-UE/EU-R |