Customs rules vary from country to country.

不同国家的海关规定也大不相同。

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In fact, a lot of customs rules in the UK only apply when you're traveling between the UK and non-EU countries.

实际上，英国的许多海关规定仅适用于从非欧盟国家入境的情况。

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Article 67 Where administrative penalty is imposed according to Customs rules, the procedures specified in these implementing Regulations shall be complied with.

第六十七条依照海关规章给予行政处罚的，应当遵守本实施条例规定的程序。

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They hope to change rules and customs to avoid another such meltdown in the future.

VOA: standard.2009.09.25

Rules on investment and customs clearance, among other things, triggered the collapse of the WTO talks, but they are at the forefront of discussions at ASEAN.

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Meanwhile, the SPL vowed to investigate whether the way Rangers used employee benefit trust payments (EBTs) for players, which were the subject of a separate HM Revenue and Customs probe, breached its own rules.

BBC: Q&A: SPL EBT commission explained

Under the rules of the Southern African Customs Union, a fledgling free-trade area, cars made in Botswana can be exported to South Africa almost duty-free.

ECONOMIST: The desert booms