Input-output norms require imported manufacturing inputs to match prescribed proportions and actual use in export products.

Standard input-output norms set the specific reagents and their required weights per kilogram for ibuprofen manufactured via the sodium metal route, naming isobutyl benzene, acetyl chloride or acetic acid, sodium metal, monochloro acetic acid, isopropyl alcohol or isopropyl chloro acetate, and solvents. A schedule mandates determination of allowable input proportions for different products and requires applicants to ensure imported goods are those actually used in the declared export product.

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