<ul><li><a href=http://likumi.lv/doc.php?id=57659 target=_blank>Law on Aviation(Par aviāciju, adoped on 5 October 1994, latest modifications of 9 June 2016)</a></li><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32013R0952 target=_blank>Regulation (EU) No 952/2013 on the Union Customs Code(Regulation (EU) No 952/2013 laying down the Union Customs Code, OJ L 269, p.1, adopted on 10 October 2013, Article 240(2))</a></li></ul>