What if I lost the passport that had my original visa, how do I prove a valid entry?

If the spouse seeking a green card no longer has their prior passport with their original U.S. visa, their I-94 travel record should be sufficient. Learn more here about how to get a copy of a lost I-94 travel record. If the spouse seeking a green card is undocumented and entered with a valid visa before 2013, they typically need to request a paper I-94.