Product/Processchangenotifications(PCN)isdefined,contentandformofcustomer notificationsisrecommended. Generalrulesandrequirementsareproposedfor: 1.theclassificationofProduct/Processchanges 2.thecorrespondingcustomerchangenotification 3.therecommendedqualificationactivitiesforsuppliersandcustomers(based ...