The close association of Norway, Iceland, Switzerland and Liechtenstein to the implementation, application and development of the Schengen acquis is likewise reflected in a joint declaration to the Agreement.
Tesno sodelovanje Norveške, Islandije, Švice in Lihtenštajna pri izvajanju, uporabi in razvoju schengenskega pravnega reda je prav tako navedeno v skupni izjavi k sporazumu.