港人民入境事務處從那年轉為紀律部隊？為何要這樣改變？

1. Since its inception from the spin off from the police.

2. Not Applicable - Immigration Department is never considered as an exception to the Disciplinary Forces at all.

一直都是，前身即移民局，屬保安局對下部門之一，等同大陸公安局的出入境及戶政，只是大陸婚姻登記歸民政局管理而不屬公安部門。