Input-output norms for chemical imports require adherence to prescribed input proportions and matching of imported inputs to export use.

Input-output norms for AZO Black DIX / Acid Black 172 set required input proportions-including beta naphthol, sodium nitrite and caustic soda flakes per kilogram of product-and impose a duty on applicants to ensure imported inputs are those used or required in export manufacture. The product's entry is noted as suspended by public notice, which constrains operational use under the Foreign Trade Policy until the suspension is lifted.

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