Save as otherwise laid down in Regulation (EEC) No 234/68 and in this Regulation or as otherwise decided by the Council acting on a proposal from the Commission in accordance with the voting procedure provided for in Article 43 (2) of the Treaty, it shall be forbidden, in respect of products falling within Chapter 6 of the Common Customs Tariff imported from non-member countries:
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to levy any charge having equivalent effect to a customs duty,
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to apply any quantitative restriction or measure having equivalent effect.