The treatment of immigrants has not yet been decided.

This is normal. The Immigration Bureau is an administrative unit, and it is normal that the treatment of the staff of the Immigration Bureau will be affected by many factors, such as personal position, regional differences and policy changes. And it will take a long time to decide. Immigration is an administrative unit? The Immigration Bureau belongs to the state administrative organs. Institutions are public institutions established by the state with certain public welfare nature, but they are not government agencies, which are different from civil servants.