Standard input-output norms require import inputs to match declared use and ensure manufacturing input proportions.

Standard input-output norms govern the relation between imported inputs and exported engineering goods, illustrated by Cable Needle (Aluminium) whose entry is suspended and which specifies aluminium rod/wire input at 1.05 kg per kg of export product. Applicants must determine permissible input proportions for manufacture and ensure imported goods are those actually used or required in the exported product.

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