ISO/TS 10303-1675:2006 specifies the application module for
Functional decomposition to assembly design.

ISO/TS 10303-1675:2006 deals with the allocation of a functional unit in a hierarchical network definition to an assembly joint concept in an assembly
definition primarily intended for detailed and extended analysis of a design.

The following is within the scope of
ISO/TS 10303-1675:2006:

• creation of functional network definition for detailed analysis of design issues.