Input norms determine permissible proportions of inputs for specified export product thickness ranges, requiring imports to match export use.

Standard Input-Output Norms set per-unit consumption rates for inputs (zinc, guard film, paints, Backer, Primer Coat, Top) linked to export product thickness categories in the Engineering Table. Applicants must determine the proportions of inputs used in the manufacture of each export product and ensure imported goods are those used or required in the export product, matching import quantities to the prescribed input proportions.

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