ISO/TS 10303-1438:2011-10 specifies the application module for
Work structure.

The following are within the scope of
ISO/TS 10303-1438:2011-10:

• identification and characterization a work request and work order;
• association of a work request with an activity method;
• identification of the product or activity data affected by the work request;
• identification of the activities that are governed by a work order;
• the definition and quantification of planned as well as recorded work outputs;
• the relationships between the work output and detailed descriptions of the output.