OBS_VALUE: <ul><li><a href=http://www.law.go.kr/lsInfoP.do?lsiSeq=195352&ancYd=20170726&ancNo=14839&efYd=20170726&nwJoYnInfo=Y&efGubun=Y&chrClsCd=010202#0000 target=_blank>Postal Service Act(우편법, Enforcement Date: 1 June 1960, last updated on 26 July 2017, Chapter VI, Article 45-2)</a></li><li><a href=http://www.law.go.kr/lsInfoP.do?lsiSeq=196145&efYd=20170726#0000 target=_blank>Enforcement Rule of Postal Service Act(우편법 시행규칙, Enforcement Date: 17 August 1975, last updated on 26 July 2017, Article 141)</a></li></ul>