Standard Input-Output Norms require export-linked verification that imported chemical inputs match declared proportions for manufacture.

Standard Input-Output Norms prescribe permissible raw materials and input proportions for manufacture of specified chemical export products, exemplified for 5-Bromo-5-Nitro-1,3 Dioxane (Bronidox). The table lists Nitromethane, Bromine, Paraformaldehyde and Perchloro ethylene with standard quantities and notes that the norm for this product has been suspended by public notice. Applicants must determine and document the proportionate use of each input and ensure imported goods correspond to those required for the export product.

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