This Directive of the Directorate of Fisheries applies to Norwegian vessels in accordance with Decree No. 387 of 1999. Satellite tracking equipment shall be installed in such locations and such way as indicated in Decree No. 387 of 1999 and the Decree to prescribe requirements for satellite-tracking which shall be used on board of fishing vessels, No. 1592 of 1999. This Directive contains rules relative to placing, fixing, sealing, activation, and deactivation of such equipment. Some provisions