departure immigration inspection; exit passport control
Refers to the immigration check when leaving a country, typically at an airport or border. Often used in travel contexts.
After clearing departure immigration, I headed to the duty-free shop.
Please present your passport to the departure immigration officer.
入国審査 is the immigration inspection upon entering a country, while 出国審査 is the inspection upon leaving.
Compound of 出国 (departure from a country) and 審査 (inspection, examination).