https://www.wsws.org/en/articles/1998/07/bos-j16.html
>As early as the end of September 1997 the employment offices were given instructions to systematically withdraw the work permits for Bosnians. Thousands of Bosnians, many of whom had worked in Germany for years, received duplicated forms, in generally restrained wording, notifying them that the employment centres had to first check whether there was a German available for the job.