no ports that have not been duly designated shall be permitted to handle the export business of cultural relics commodities and the customs in various localities shall do a good job of checking and make sure that this provision is complied with
未经指定的口岸不得经营文物商品出口业务，各地海关应当做好核查工作，确保符合规定
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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