OBS_VALUE: <ul><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1457450886563&uri=CELEX%3A32008R1008 target=_blank>Regulation 1008/2008 on the operation of air services(Regulation (EC) No 1008/2008 on common rules for the operation of air services in the Community, OJ L 293, p. 3, adopted on 24 September 2008, Articles 15(4) and 15(5) )</a></li><li><a href=https://www.admin.ch/opc/fr/classified-compilation/19994646/index.html target=_blank>Agreement between Switzerland and the EU regarding the air transport(Accord entre la Confédération suisse et la Communaute européenne sur le transport aérien, 0.748.127.192.68, 1 June 2002, last updated on 1 February 2019)</a></li></ul>