regarding change of job....(badly need help)

• Hi,
  I have been working in germany since 15 months with green card and valid workpermit till 2008.Workpermit binded to employer.
  I have an offerletter from my new employer,
  During the process of changing workpermit....do my previous employer has got right to cancel my green card and workpermit to trouble me...
  Plese suggest.....
  

  22 Sie 2005, 04:48 Anonymous