ISO/TS 10303-1258:2004 specifies the application module for Observation.

The following are within the scope of ISO/TS 10303-1258:2004:

• the observation of historical facts about products, resources, and activities which are otherwise outside of the scope of the standard;
• the association of an observation to the thing observed;
• the association of an observation to its context;
• the association of an observation to the actual activity taking place when it was observed;
• the association of the observation with the observer;
• the association of the observation to its consequences;
• the association of observations with each other;
• the aggregation of observations;
• the record of the date and time that the observation was made;
• the classification of the observation;
• the formal verification or confirmation of the observation.