or “underground black work” and are constantly exposed to various human rights infringements such as sexual harassment, sexual violence, and discrimination in wages. The problem of human rights situation of undocumented migrants in this country is that many migrant workers who entered the country through a lawful procedure become undocumented, and that their status as undocumented ones is overlooked implicitly due to the migrant policy and the needs of the labor market. There is a need to form social consensus on legalizing undocumented migrants into documented ones considering the positive factors that will be brought about by the change, including protecting their human rights, putting an end to the underground economy, and increasing tax collection. B. Domestic/International norms and realistic cases in major countries Contents Domestic norms - Concerning the protection of aliens under domestic laws, Article 6 (Effectuation of Treaties and International Laws and Guarantee of Aliens’ Status) of the Constitution and Article 4 (About Foreigners in Republic of Korea) of the National Human Rights Commission Act apply. - Ref. Article 10 (Right to Pursue Happiness) and Article 11 (1) (Right to Equality) of the Constitution; Article 2 (3) (defining the term “discriminatory act of violating the right to equality”) of the National Human Rights Commission Act - Article 69 of the Migrant Workers Convention stipulates that “The State’s Parties shall, when there are migrant workers and members of their families within their territory in an irregular situation, take International appropriate measures to ensure that such situation does not persist.” norms - Article 8 (1) and (2) of ILO’s Migrant Workers Convention (Supplementary Provisions) 1975 (No. 143)) stipulates that “On condition that he/she has resided legally in the territory for the purpose 70 Human Rights Guidelines on Migration