<ul><li><a href=http://likumi.lv/doc.php?id=57435 target=_blank>Law on Ports(Likums par ostām, adopted on 22 June 1996, with lates modifications of 23 November 2016, article  and Chapter VI  )</a></li><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32017R0352 target=_blank>Regulation (EU) establishing a framework for the provision of port services and common rules on the financial transparency of ports(Regulation (EU) 2017/352 of the European Parliament and of the Council of 15 February 2017 establishing a framework for the provision of port services and common rules on the financial transparency of ports (Text with EEA relevance), OJ L 57, 3.3.2017, p. 1–18, artcle 7.  )</a></li></ul>