This may be due to missing or incomplete paperwork, waiting for clearance instructions or because the authorities may need more information to clear the goods.
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However, it is a necessary procedure before we are able to import or export goods. So, let's explain how long does customs clearance take in general. Almost in all countries, it takes around 24 hours.
Make sure you allow enough time to clear customs and get to your connecting flight. As a general rule, it's best to allow at least two hours for international layovers. Pack smart: Avoid packing any prohibited items in your carry-on or checked baggage.