Evidence of departure can include, but is not limited to, entry stamps in a passport, transportation tickets, pay stubs and/or other receipts.
People Also Ask
Upon exiting the United States, travelers issued a paper Form I-94 should surrender it to the commercial carrier, Canadian Border Services Agency (CBSA), or to CBP upon departure. If you received an electronic I-94 upon arrival by air or sea or land and depart via land, your departure may not be recorded accurately.
You can't leave the country until you have your approved travel document in hand, so you should expect to spend the 3–5 months after submitting your green card application in the United States. Theoretically, you could be out of the United States for as long as you have a travel document (one year plus renewals).