Contents of employment, the migrant worker shall not be regarded as being in an illegal or irregular situation by the mere fact of loss of employment, which shall not in itself imply the withdrawal of his/her authorization of residence or, as the case may be, work permit. Accordingly, he/she shall enjoy equality of treatment with nationals with respect in particular to the guarantee of security of employment, provision of alternative employment, relief work, and retraining.” th - The concluding observations (4/7/1999) made by CERD on the 9 and 10th periodic report of the Republic of Korea recommended improvement of the situation of undocumented migrant workers. Cases in major countries - As for Spain, the country uses the term “irregular” aliens instead of “undocumented” or “illegal” aliens in an effort to turn them into a regular workforce. Once they are registered with the municipal authorities, irregular migrants can enjoy free education and medical service. - Looking at the cases in Spain and Italy, efforts to turn irregular migrant workers to regular ones can get them out of poor working conditions and reduce tax evasion associated with illegal employment. Thus, such efforts can bring about the positive effect of realizing a quality welfare system. - In Japan, even irregular migrant workers who are not granted permit to stay are allowed to register themselves as de facto migrants. Thanks to the entrustment of the duty of alien registration to municipal authorities, even irregular migrants can enjoy free education and medical services. C. Core agenda items for promotion Ⅵ-1-1. Undocumented migrant children should be guaranteed the right to education and medical services. Ⅵ-1-2. The current social security system should be improved to enable the Part 6. Stronger protection of undocumented immigrants’ human rights 71