4 ms·Yea.... I'm sure you report all your purchases at the duty free as soon as you get to American soil.by Akujin 9y agoYea.... I'm sure you report all your purchases at the duty free as soon as you get to American soil.toyg 9y agoDuty-free goods have special dedicated legislation in most countries, I assume in the US too.dmoy 9y agoUp to like $800 or something, unless I'm confusing it with yet-another-limit in the tax code.