ISO/TS 10303-1103:2005 specifies the application module for Product class.
The following are within the scope of ISO/TS 10303-1103:2005:
identification, as a product class, of a set of similar products to be offered to the market;
relationships between product classes;
identification of categories of specifications that may be used to characterize the members of a product class;
representation of Boolean expressions of specifications;
representation of dependency rules between specifications;
association of specification categories, of specifications, of specification expressions and of specification dependency rules with a product class.