ILO homeAbout the ILOHow the ILO worksDepartments and officesBureau for Workers' Activities (ACTRAV)News and articlesStatements Statements December 2015 Labour standards are vital instruments to protect migrant workers 18 December 2015 "Freedom of association and collective bargaining are fundamental rights for all workers, including migrant workers", said Maria Helena Andre, Director of the ILO's Bureau for Workers 'Activities (ACTRAV).