4 laws and 3 links: citations, amendments, and UK copies of EU law. Bigger circles are relied on more.
| Law | Links on map | Importance |
|---|---|---|
| NOHavne- og farvannsloven | 1 | 13.36 |
| NOLov 17.04.2009 nr. 19 | 1 | 1.05 |
| NOForskrift om farvannsskilt m.m. | 3 | 0.28 |
| NOForskrift 19.12.2014 nr. 1813 | 1 | 0.15 |