OBS_VALUE: <ul><li><a href=https://lovdata.no/dokument/SF/forskrift/2009-10-15-1286 target=_blank>Immigration regulations(Utlendingsforskriften FOR-2009-10-15-1286, latest change 12.07.2017, §§3-1, 3-18 )</a></li><li><a href=http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex%3A32016R0399 target=_blank>Regulation (EC) No  2016/399 Schengen Borders Code(Regulation (EU) 2016/399 of the European Parliament and of the Council of 9 March 2016 on a Union Code on the rules governing the movement of persons across borders (Schengen Borders Code), Article 6 and Article 20)</a></li></ul>