The use of cookies on the site saves up to three types of cookies on the users computer. They are all necessary for the site to function properly:

1. One cookie is saved to keep track of the items placed in the shopping cart by the user. This means that the shopping basket is available on all sites and that items do not dissapear when changing page on the sites.

2. When the user identifies him- or herself via a DTU-login the users name and DTU-ID is saved in a cookie. This is done to be able to grant the right access when purchasing online course materials.

3. In addition a cookie is saved is the user log in a CVR number, which is approved by DTU to shop VAT-free. The purpose of this cookie is to make sure that the orderconfirmation and receipt is displayed without VAT.