The international convention on the protection of the rights of all migrant workers and members of their families ( mwc ) enters into force on july 1 , 2003 . it seeks to ensure that the rights of migrant works are legally protected and respected 二零零三年七月一日,聯合國《保護所有移徙工人及其家庭成員權利國際公約》正式生效成為一國際條約,保障所有移徙工人的權利受法律保護及尊重。