Definīcija:"Durable medium" means any instrument which enables the customer to store information addressed personally to him in a way accessible for future reference for a period of time adequate to the purposes of the information and which allows the unchanged reproduction of the information stored. In particular, durable medium covers floppy disks, CD-ROMs, DVDs and hard drives of personal computers on which electronic mail is stored, but it excludes Internet sites, unless such sites meet the criteria specified in the first paragraph.
