Returning Uncollected Form I Back to CBP. Non-immigrant visa holders ( visitors, H1 workers, etc.) to the United States need to complete an I if they hold a. Forgot to return your I when you left the U.S. We explain everything you need to If you forgot to return the white Form I or the green Form IW then it is. Can anyone help me with this? went to buffalo today and returned, officer didnt take the i94 form. Where in Toronto Pearson can i return this?. The I Proof of Legal Entry into the United States and visa and then issues either a passport admission stamp or a small white card called the Form I For people who entered the USA before this process was implemented and have a paper-based I form, they must return their I form to the commercial. Returning the paper I isn't necessary for the US to record an exit at the Canada land border. Canada and the US exchange entry records for. Foreign visitors to the U.S. arriving via air or sea no longer need to complete paper Customs and Border Protection Form I Arrival/Departure Record or Form IW Nonimmigrant Visa Waiver Arrival/Departure Record. Those who need to prove their legal-visitor status—to employers. DHS issues Form I, Arrival/Departure Record, to aliens who are: Admitted to the U.S.; Adjusting status while in the U.S.; or Extending their. However, if you entered the United States via a land border port of entry or were provided a paper Form I at an air or seaport and returned home with your.