Article 38. In levying customs duties, late fees and others, the customs shall collect them in RMB.

第三十八条海关征收关税、滞纳金等，应当按人民币计征。

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For a period of 20 years the existing Turkish customs tariff shall remain in force throughout the whole of the blue and red areas, as well as in areas (a) and (b), and no increase in the rates of duty or conversions from ad valorem to specific rates shall be made except by agreement between the two powers.

BBC: Map detailing the Sykes-Picot agreement

The customs duties leviable on goods destined for the interior shall be collected at the port of entry and handed over to the administration of the area of destination.

BBC: Map detailing the Sykes-Picot agreement

There shall be no interior customs barriers between any of the above-mentioned areas.

BBC: Map detailing the Sykes-Picot agreement