Input-output norms require imported chemical inputs to match prescribed constituents and actual use for export manufacturing.

Standard input-output norms for Yara Yara/Beta Naphthol Methyl Ether (SION A1531) specify constituent inputs and their proportions-Beta Naphthol, 2 Propanol/Isopropyl Alcohol, and Methanol-and require determination of permissible input proportions. Applicants must ensure imported goods correspond to the inputs actually used or required in the export product.

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