Standard input-output norms require validation that imported inputs match declared proportions and are used in export products.

Standard input-output norms for zirconium oxide and related zircon chemicals mandate determination and verification of the proportion of various inputs permitted or required in the manufacture of export products. Applicants must ensure that goods imported correspond to the inputs actually used or required in the declared export product, and must validate that imported items match the proportions used in manufacturing the resultant exportable goods.

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