The second article on the Eurpoean Laguage Portfolio (ELP) describes how the Dossier is intended to be used. I also refer to my own teaching experiences about 30 years ago, when I was inadvertently using a kind of ELP Dossier with a group of rather educationally jaded secondary school kids.
This last article on the Eurpoean Language Portfolio (ELP) describes how the Passport draws on records and work referenced and stored in the Biography and Dossier. It represents a comprehensive summary of an individual's learning achievement in foreign languages.