1.Promulgated by Presidential Decree on Dec 22, 1973
2.Law was amended by Presidential Decree on Nov 24, 1986
(Amended content includes Articles 10 through 12, Article 9, Article 35, Articles 40 through 43 and Article 45)
3.Second amendment instituted by Presidential Decree No. 8900275040 on Nov 15, 2000
(Amended content includes Article 13, Article 18, Article 19, Article 21, Article 23, Article 28, Article 31, Articles 33 through 39, Article 43 and Article 46)