Dr. William:

I received my I-485 approval notice approval last week, and I know my permanent resident status starts from the notice date of I-485. My question here is: can I use the approval notice for international traveling? or I must use stamped password?

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A:

Only the red stamp which the USCIS district office imprints will be taken as the evidence of permanent resident at the airport.

The people inside the USA should use stamped passport for international traveling, otherwise, the parole by the immigration inspector at the entry airport is not always guaranteed.