The manufacturers are supposed to show the evidences of fulfilment of general safety and performance requirements. For this purpose, a checklist for general safety and performance requirements can be made and thus give the justifiion / records or evidence or a summary of how the requirements are fulfilled of each clause.
Technical requirements define what is required to deliver the desired function or behavior from a system to a user's standards. Technical requirements can be performance factors, accessibility, versatility, logging, control and backup. Functional requirements may be considered met even when the nonfunctional requirements are not.