The document "Possible Ways of Implementing the Observation Status Concept" has just been revised. Main changes are the following:

• Guideline title change (to make it mode accurate): "Possible ways of implementing CL_OBS_STATUS" has been replaced with "Possible Ways of Implementing the Observation Status Concept"
• New OBS_STATUS codes have been added, namely K (data included in another category) and W (Includes data from another category)
• Approach 3.1 (Duplication approach) has been changed to include OBS_STATUS code (this compatibility break is the major version change)
• Some texts clarifications