How do I know what my Customs allowance is? AirPortr HQ May 16, 2022 08:54 Updated Follow In order to check your Customs allowance, you'll need to consult with the relevant country's authorities. For Switzerland, you can read through the Switzerland Customs Administration's website here. Related articles What is a Customs charge for? Is there anything I can't check-in with Airportr? Customs have charged me, but I don't think I was over my allowance. What should I do? What happens if my bags are inspected by the authorities? What happens if I check-in more bags than my airline baggage allowance? Comments 0 comments Please sign in to leave a comment.