Standard Input Output Norms set required input types and proportional consumption for non-alloy steel products to govern admissible imports.

The Foreign Trade Policy prescribes Standard Input-Output Norms for non-alloy steel engineering products, listing permissible input categories (ingots, blooms/billets, re-rollable scrap, rolling mill rolls, furnace oil, saw/shear blades) with their conversion relationships, and requires determination of input proportions used in manufacture while obliging applicants to ensure imported goods are those actually used in the export product.

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