ISO/TS 10303-1175:2005 specifies the application module for Individual activity structure.

The following are within the scope of ISO/TS 10303-1175:2005:

• the existence of an individual activity;
• a whole-part relationship between two individual activities;
• a connection relationship between two individual activities;
• an involvement of an individual product, document, person, organization or other activity in an individual activity.