Check the expiration date on the passport data page
Make sure the passport is undamaged and all pages are intact
Verify that the name and personal details match your current legal documents
Check that the passport is signed if required
Confirm there are enough blank visa pages for your destination
Make sure the passport was issued within the required time frame for your destination
Check whether your destination requires at least 6 months of validity beyond your travel dates
Verify the passport is not reported lost, stolen, or canceled
Confirm the passport is machine-readable if required
Check the passport against the entry requirements of the country you are visiting
Contact your passport authority or embassy if you are unsure about its validity