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Compartmented Mode Workstation Labeling: Encodings Format

Choosing Names

The names chosen in the classifications:, information labels:, sensitivity labels:, and clearances: sections are extremely important. In general, it is best if all short and long names within each of the above sections are unique. However, because of the way prefix and suffix words are handled by the system, there are two exceptions to this general rule.

  1. A suffix and a non-prefix/non-suffix word can have the same name. This is possible because you can look at labels with both such names and tell them apart. For example, consider suffix SF, word W that requires suffix SF, and regular word SF. The label TS SF contains the regular word SF, because there is no word that requires the suffix SF preceding the SF. The label TS W SF contains the suffix SF, because the word W immediately precedes the SF. Finally, the label TS SF W SF contains both the regular word SF and the suffix SF.

  2. A word that requires a prefix and a non-prefix/non-suffix word can have the same name, as long as the non-prefix/non-suffix word is specified before the word that requires the prefix. This is possible because you can look at labels with both such names and tell them apart. For example, consider word W that requires prefix P, and regular word W. The label TS W contains the regular word W, because there is no prefix before the W. The label TS P W contains the word W that requires the prefix P, because the prefix is present. Finally, the label TS W P W contains both the regular word W and the prefix-requiring word W.

Obviously, use of either of these exceptions should be avoided if at all possible because of the probable confusion that will occur.

There are two additional considerations in specifying names.

  1. Classification names should never be the same as information label, sensitivity label, or clearance names.

  2. If the same name appears in both the sensitivity labels: and clearances: sections, the words with this name should refer to the same compartment, and should therefore have an identical specification in the encodings file.