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Product
293959: Theophylline & aminophylline (theophylline-ethylenedia-mine) & their derivatives (excl. of 2939.51); salts thereof , n.e.s.
Treaty
COMESA
Select the rule that applies to your product:

Goods are considered originating if they have been produced in the member States wholly or partially from materials imported from outside the member States or of undetermined origin provided that: