Input-output norms require imported inputs to match export use; specified SION suspended and proportions must be determined.

Standard input-output norms set permissible proportions of imported chemical inputs used in manufacturing for export, listing A2040 inputs including 3,4 dichloro aniline, 3,4 dichloro nitro benzene, formic acid and mono chloro benzene with standard usage weights. Applicants must have the proportions of various inputs determined and must ensure imported goods are those actually used or required in the export product; the relevant SION has been suspended by Public Notice and importers must still ensure declared inputs correspond to physical use.

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