JUDGMENT OF THE COURT (Fifth Chamber) of 17 September 1997 in Case C-117/96 (reference for a preliminary ruling from the Østre Landsret): Danmarks Aktive Handelsrejsende, acting on behalf of Carina Mosbæk v. Lønmodtagernes Garantifond (Social policy - Protection of employees in the event of the employer's insolvency - Directive 80/987/EEC - Employee residing and employed in a State other than that in which the employer is established - Guarantee institution)