Significant Characteristic
Product/process requirements that are important for customer satisfaction. All SCs has to be included in the control plan and related documents.
Special Characteristic
classification of a product characteristic or manufacturing process parameter that can affect safety or compliance with regulations, fit, function, performance, requirements, or subsequent processing of product. IATF 16949 Common approach: Special characteristics are categorized in: Critical Characteristics Significant Characteristics
statutory requirement
A requirement defined by a legislative body and is obligatory.