Input-output norms require imported feedstocks to correspond to specified manufacturing ratios, and applicants must ensure matching use.

Standard input-output norms under the Foreign Trade Policy set feedstock-to-product ratios for manufacture (notably Ethylene with an applicable Naphtha input ratio). The schedule mandates determination of input proportions for resultant products and requires applicants to ensure imported goods correspond to those actually used or required in the export product for verification purposes.

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