body: I'm a graduate student at a US university and I work as a Graduate assistant in the department. It's been around one year I have been working. I'm also an International student who can only work on-campus. 
  
  
  Recently I have decided that I want to **transfer** to a another University and the classes will begin at that university from august. I have summer work at current university which could take till august.
  
  
  The HR department of the university I'm going to transfer, sent me an offer letter and a **I9** form. 
  
  
  Should I fill the form and submit to the university where I will be start working from August even though currently i'm working at my current university? 
  
  
  
title: What does the "submitting" I9 form?