OBS_VALUE: <ul><li><a href=http://www.law.go.kr/LSW/lsEfInfoP.do?lsiSeq=192575 target=_blank>Pilotage Act(도선법, Enforcement Date: 6 December 1961 (Law No. 812), last updated on 22 September 2017 (By No.14729), Chapter I, Articles, 2, 6(1), Chapter III, Article 20)</a></li></ul>